Home / 1,630,337.10-2,445,505.65-1,478,121.90

Finding the Fourth Proportional to 1,630,337.10, 2,445,505.65 and 1,478,121.90

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Solution

The fourth proportional to 1,630,337.10, 2,445,505.65 and 1,478,121.90 is: 2,217,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,337.10 : 2,445,505.65 = 1,478,121.90 : x
  2. Step 2: Convert to fraction form
    1,630,337.10/2,445,505.65 = 1,478,121.90/x
  3. Step 3: Cross multiply
    1,630,337.10x = 2,445,505.65 × 1,478,121.90
  4. Step 4: Simplify right side
    1,630,337.10x = 3,614,755,457,838.74
  5. Step 5: Solve for x
    x = 3,614,755,457,838.74/1,630,337.10
  6. Step 6: Final answer
    x = 2,217,182.85

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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.