Home / 3,436,952.85-5,155,428.49-878,172.59

Finding the Fourth Proportional to 3,436,952.85, 5,155,428.49 and 878,172.59

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Solution

The fourth proportional to 3,436,952.85, 5,155,428.49 and 878,172.59 is: 1,317,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,952.85 : 5,155,428.49 = 878,172.59 : x
  2. Step 2: Convert to fraction form
    3,436,952.85/5,155,428.49 = 878,172.59/x
  3. Step 3: Cross multiply
    3,436,952.85x = 5,155,428.49 × 878,172.59
  4. Step 4: Simplify right side
    3,436,952.85x = 4,527,356,000,316.23
  5. Step 5: Solve for x
    x = 4,527,356,000,316.23/3,436,952.85
  6. Step 6: Final answer
    x = 1,317,258.69

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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.