Home / 2,980,357.47-4,471,202.77-1,087,098.90

Finding the Fourth Proportional to 2,980,357.47, 4,471,202.77 and 1,087,098.90

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Solution

The fourth proportional to 2,980,357.47, 4,471,202.77 and 1,087,098.90 is: 1,630,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,357.47 : 4,471,202.77 = 1,087,098.90 : x
  2. Step 2: Convert to fraction form
    2,980,357.47/4,471,202.77 = 1,087,098.90/x
  3. Step 3: Cross multiply
    2,980,357.47x = 4,471,202.77 × 1,087,098.90
  4. Step 4: Simplify right side
    2,980,357.47x = 4,860,639,612,943.95
  5. Step 5: Solve for x
    x = 4,860,639,612,943.95/2,980,357.47
  6. Step 6: Final answer
    x = 1,630,891.48

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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.