Home / 3,864,915.29-5,771,346.32-3,156,348.89

Finding the Fourth Proportional to 3,864,915.29, 5,771,346.32 and 3,156,348.89

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Solution

The fourth proportional to 3,864,915.29, 5,771,346.32 and 3,156,348.89 is: 4,713,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,915.29 : 5,771,346.32 = 3,156,348.89 : x
  2. Step 2: Convert to fraction form
    3,864,915.29/5,771,346.32 = 3,156,348.89/x
  3. Step 3: Cross multiply
    3,864,915.29x = 5,771,346.32 × 3,156,348.89
  4. Step 4: Simplify right side
    3,864,915.29x = 18,216,382,506,299.11
  5. Step 5: Solve for x
    x = 18,216,382,506,299.11/3,864,915.29
  6. Step 6: Final answer
    x = 4,713,268.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.