Home / 3,913,522.40-5,870,866.88-1,388,966.24

Finding the Fourth Proportional to 3,913,522.40, 5,870,866.88 and 1,388,966.24

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Solution

The fourth proportional to 3,913,522.40, 5,870,866.88 and 1,388,966.24 is: 2,083,656.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,522.40 : 5,870,866.88 = 1,388,966.24 : x
  2. Step 2: Convert to fraction form
    3,913,522.40/5,870,866.88 = 1,388,966.24/x
  3. Step 3: Cross multiply
    3,913,522.40x = 5,870,866.88 × 1,388,966.24
  4. Step 4: Simplify right side
    3,913,522.40x = 8,154,435,895,854.13
  5. Step 5: Solve for x
    x = 8,154,435,895,854.13/3,913,522.40
  6. Step 6: Final answer
    x = 2,083,656.37

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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.