Home / 5,121,966.40-7,683,338.40-1,527,452.80

Finding the Fourth Proportional to 5,121,966.40, 7,683,338.40 and 1,527,452.80

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Solution

The fourth proportional to 5,121,966.40, 7,683,338.40 and 1,527,452.80 is: 2,291,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,966.40 : 7,683,338.40 = 1,527,452.80 : x
  2. Step 2: Convert to fraction form
    5,121,966.40/7,683,338.40 = 1,527,452.80/x
  3. Step 3: Cross multiply
    5,121,966.40x = 7,683,338.40 × 1,527,452.80
  4. Step 4: Simplify right side
    5,121,966.40x = 11,735,936,752,427.52
  5. Step 5: Solve for x
    x = 11,735,936,752,427.52/5,121,966.40
  6. Step 6: Final answer
    x = 2,291,295.15

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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.