Home / 2,919,520.32-4,028,057.52-1,695,589.92

Finding the Fourth Proportional to 2,919,520.32, 4,028,057.52 and 1,695,589.92

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Solution

The fourth proportional to 2,919,520.32, 4,028,057.52 and 1,695,589.92 is: 2,339,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,520.32 : 4,028,057.52 = 1,695,589.92 : x
  2. Step 2: Convert to fraction form
    2,919,520.32/4,028,057.52 = 1,695,589.92/x
  3. Step 3: Cross multiply
    2,919,520.32x = 4,028,057.52 × 1,695,589.92
  4. Step 4: Simplify right side
    2,919,520.32x = 6,829,933,728,092.20
  5. Step 5: Solve for x
    x = 6,829,933,728,092.20/2,919,520.32
  6. Step 6: Final answer
    x = 2,339,402.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.