Home / 2,894,336.50-4,340,487.12-1,187,985.64

Finding the Fourth Proportional to 2,894,336.50, 4,340,487.12 and 1,187,985.64

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Solution

The fourth proportional to 2,894,336.50, 4,340,487.12 and 1,187,985.64 is: 1,781,560.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,336.50 : 4,340,487.12 = 1,187,985.64 : x
  2. Step 2: Convert to fraction form
    2,894,336.50/4,340,487.12 = 1,187,985.64/x
  3. Step 3: Cross multiply
    2,894,336.50x = 4,340,487.12 × 1,187,985.64
  4. Step 4: Simplify right side
    2,894,336.50x = 5,156,436,369,164.96
  5. Step 5: Solve for x
    x = 5,156,436,369,164.96/2,894,336.50
  6. Step 6: Final answer
    x = 1,781,560.77

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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.