Home / 4,681,470.32-7,023,081.36-1,487,400.56

Finding the Fourth Proportional to 4,681,470.32, 7,023,081.36 and 1,487,400.56

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Solution

The fourth proportional to 4,681,470.32, 7,023,081.36 and 1,487,400.56 is: 2,231,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681,470.32 : 7,023,081.36 = 1,487,400.56 : x
  2. Step 2: Convert to fraction form
    4,681,470.32/7,023,081.36 = 1,487,400.56/x
  3. Step 3: Cross multiply
    4,681,470.32x = 7,023,081.36 × 1,487,400.56
  4. Step 4: Simplify right side
    4,681,470.32x = 10,446,135,147,789.56
  5. Step 5: Solve for x
    x = 10,446,135,147,789.56/4,681,470.32
  6. Step 6: Final answer
    x = 2,231,379.13

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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.