Home / 5,220,292.80-7,830,439.20-4,865,998.80

Finding the Fourth Proportional to 5,220,292.80, 7,830,439.20 and 4,865,998.80

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Solution

The fourth proportional to 5,220,292.80, 7,830,439.20 and 4,865,998.80 is: 7,298,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,292.80 : 7,830,439.20 = 4,865,998.80 : x
  2. Step 2: Convert to fraction form
    5,220,292.80/7,830,439.20 = 4,865,998.80/x
  3. Step 3: Cross multiply
    5,220,292.80x = 7,830,439.20 × 4,865,998.80
  4. Step 4: Simplify right side
    5,220,292.80x = 38,102,907,750,672.96
  5. Step 5: Solve for x
    x = 38,102,907,750,672.96/5,220,292.80
  6. Step 6: Final answer
    x = 7,298,998.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.