Home / 1,630,472.10-2,445,708.15-1,406,085.90

Finding the Fourth Proportional to 1,630,472.10, 2,445,708.15 and 1,406,085.90

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Solution

The fourth proportional to 1,630,472.10, 2,445,708.15 and 1,406,085.90 is: 2,109,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,472.10 : 2,445,708.15 = 1,406,085.90 : x
  2. Step 2: Convert to fraction form
    1,630,472.10/2,445,708.15 = 1,406,085.90/x
  3. Step 3: Cross multiply
    1,630,472.10x = 2,445,708.15 × 1,406,085.90
  4. Step 4: Simplify right side
    1,630,472.10x = 3,438,875,745,230.08
  5. Step 5: Solve for x
    x = 3,438,875,745,230.08/1,630,472.10
  6. Step 6: Final answer
    x = 2,109,128.85

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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.