Home / 6,420,637.53-8,860,477.61-3,519,966.17

Finding the Fourth Proportional to 6,420,637.53, 8,860,477.61 and 3,519,966.17

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Solution

The fourth proportional to 6,420,637.53, 8,860,477.61 and 3,519,966.17 is: 4,857,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,637.53 : 8,860,477.61 = 3,519,966.17 : x
  2. Step 2: Convert to fraction form
    6,420,637.53/8,860,477.61 = 3,519,966.17/x
  3. Step 3: Cross multiply
    6,420,637.53x = 8,860,477.61 × 3,519,966.17
  4. Step 4: Simplify right side
    6,420,637.53x = 31,188,581,468,193.57
  5. Step 5: Solve for x
    x = 31,188,581,468,193.57/6,420,637.53
  6. Step 6: Final answer
    x = 4,857,552.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.