Home / 3,864,915.16-5,771,346.11-3,156,348.76

Finding the Fourth Proportional to 3,864,915.16, 5,771,346.11 and 3,156,348.76

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Solution

The fourth proportional to 3,864,915.16, 5,771,346.11 and 3,156,348.76 is: 4,713,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,915.16 : 5,771,346.11 = 3,156,348.76 : x
  2. Step 2: Convert to fraction form
    3,864,915.16/5,771,346.11 = 3,156,348.76/x
  3. Step 3: Cross multiply
    3,864,915.16x = 5,771,346.11 × 3,156,348.76
  4. Step 4: Simplify right side
    3,864,915.16x = 18,216,381,137,829.32
  5. Step 5: Solve for x
    x = 18,216,381,137,829.32/3,864,915.16
  6. Step 6: Final answer
    x = 4,713,268.05

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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.