Home / 4,752,564.80-7,128,847.20-2,862,996.80

Finding the Fourth Proportional to 4,752,564.80, 7,128,847.20 and 2,862,996.80

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Solution

The fourth proportional to 4,752,564.80, 7,128,847.20 and 2,862,996.80 is: 4,294,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,564.80 : 7,128,847.20 = 2,862,996.80 : x
  2. Step 2: Convert to fraction form
    4,752,564.80/7,128,847.20 = 2,862,996.80/x
  3. Step 3: Cross multiply
    4,752,564.80x = 7,128,847.20 × 2,862,996.80
  4. Step 4: Simplify right side
    4,752,564.80x = 20,409,866,721,288.96
  5. Step 5: Solve for x
    x = 20,409,866,721,288.96/4,752,564.80
  6. Step 6: Final answer
    x = 4,294,495.20

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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.