Home / 3,129,819.36-4,319,205.52-1,753,151.12

Finding the Fourth Proportional to 3,129,819.36, 4,319,205.52 and 1,753,151.12

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Solution

The fourth proportional to 3,129,819.36, 4,319,205.52 and 1,753,151.12 is: 2,419,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,819.36 : 4,319,205.52 = 1,753,151.12 : x
  2. Step 2: Convert to fraction form
    3,129,819.36/4,319,205.52 = 1,753,151.12/x
  3. Step 3: Cross multiply
    3,129,819.36x = 4,319,205.52 × 1,753,151.12
  4. Step 4: Simplify right side
    3,129,819.36x = 7,572,219,994,898.18
  5. Step 5: Solve for x
    x = 7,572,219,994,898.18/3,129,819.36
  6. Step 6: Final answer
    x = 2,419,379.24

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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.