Home / 4,788,163.20-7,182,244.80-4,190,292.08

Finding the Fourth Proportional to 4,788,163.20, 7,182,244.80 and 4,190,292.08

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Solution

The fourth proportional to 4,788,163.20, 7,182,244.80 and 4,190,292.08 is: 6,285,438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,163.20 : 7,182,244.80 = 4,190,292.08 : x
  2. Step 2: Convert to fraction form
    4,788,163.20/7,182,244.80 = 4,190,292.08/x
  3. Step 3: Cross multiply
    4,788,163.20x = 7,182,244.80 × 4,190,292.08
  4. Step 4: Simplify right side
    4,788,163.20x = 30,095,703,466,149.96
  5. Step 5: Solve for x
    x = 30,095,703,466,149.96/4,788,163.20
  6. Step 6: Final answer
    x = 6,285,438.11

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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.