Home / 6,607,410.30-9,911,115.45-2,120,139.90

Finding the Fourth Proportional to 6,607,410.30, 9,911,115.45 and 2,120,139.90

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Solution

The fourth proportional to 6,607,410.30, 9,911,115.45 and 2,120,139.90 is: 3,180,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607,410.30 : 9,911,115.45 = 2,120,139.90 : x
  2. Step 2: Convert to fraction form
    6,607,410.30/9,911,115.45 = 2,120,139.90/x
  3. Step 3: Cross multiply
    6,607,410.30x = 9,911,115.45 × 2,120,139.90
  4. Step 4: Simplify right side
    6,607,410.30x = 21,012,951,319,051.45
  5. Step 5: Solve for x
    x = 21,012,951,319,051.45/6,607,410.30
  6. Step 6: Final answer
    x = 3,180,209.85

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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.