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Finding the Fourth Proportional to 4,719,590.08, 7,079,385.44 and 1,881,695.16

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Solution

The fourth proportional to 4,719,590.08, 7,079,385.44 and 1,881,695.16 is: 2,822,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719,590.08 : 7,079,385.44 = 1,881,695.16 : x
  2. Step 2: Convert to fraction form
    4,719,590.08/7,079,385.44 = 1,881,695.16/x
  3. Step 3: Cross multiply
    4,719,590.08x = 7,079,385.44 × 1,881,695.16
  4. Step 4: Simplify right side
    4,719,590.08x = 13,321,245,318,222.47
  5. Step 5: Solve for x
    x = 13,321,245,318,222.47/4,719,590.08
  6. Step 6: Final answer
    x = 2,822,542.87

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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.