Home / 2,173,126.28-2,998,764.14-1,206,180.50

Finding the Fourth Proportional to 2,173,126.28, 2,998,764.14 and 1,206,180.50

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Solution

The fourth proportional to 2,173,126.28, 2,998,764.14 and 1,206,180.50 is: 1,664,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,126.28 : 2,998,764.14 = 1,206,180.50 : x
  2. Step 2: Convert to fraction form
    2,173,126.28/2,998,764.14 = 1,206,180.50/x
  3. Step 3: Cross multiply
    2,173,126.28x = 2,998,764.14 × 1,206,180.50
  4. Step 4: Simplify right side
    2,173,126.28x = 3,617,050,829,767.27
  5. Step 5: Solve for x
    x = 3,617,050,829,767.27/2,173,126.28
  6. Step 6: Final answer
    x = 1,664,445.76

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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.