Home / 4,005,282.38-6,008,292.92-1,309,621.40

Finding the Fourth Proportional to 4,005,282.38, 6,008,292.92 and 1,309,621.40

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Solution

The fourth proportional to 4,005,282.38, 6,008,292.92 and 1,309,621.40 is: 1,964,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005,282.38 : 6,008,292.92 = 1,309,621.40 : x
  2. Step 2: Convert to fraction form
    4,005,282.38/6,008,292.92 = 1,309,621.40/x
  3. Step 3: Cross multiply
    4,005,282.38x = 6,008,292.92 × 1,309,621.40
  4. Step 4: Simplify right side
    4,005,282.38x = 7,868,588,985,500.49
  5. Step 5: Solve for x
    x = 7,868,588,985,500.49/4,005,282.38
  6. Step 6: Final answer
    x = 1,964,552.87

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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.