Home / 4,678,657.80-7,017,986.70-4,615,672.20

Finding the Fourth Proportional to 4,678,657.80, 7,017,986.70 and 4,615,672.20

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Solution

The fourth proportional to 4,678,657.80, 7,017,986.70 and 4,615,672.20 is: 6,923,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,657.80 : 7,017,986.70 = 4,615,672.20 : x
  2. Step 2: Convert to fraction form
    4,678,657.80/7,017,986.70 = 4,615,672.20/x
  3. Step 3: Cross multiply
    4,678,657.80x = 7,017,986.70 × 4,615,672.20
  4. Step 4: Simplify right side
    4,678,657.80x = 32,392,726,111,159.74
  5. Step 5: Solve for x
    x = 32,392,726,111,159.74/4,678,657.80
  6. Step 6: Final answer
    x = 6,923,508.30

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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.