Home / 3,309,415.32-4,565,679.86-1,913,719.04

Finding the Fourth Proportional to 3,309,415.32, 4,565,679.86 and 1,913,719.04

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Solution

The fourth proportional to 3,309,415.32, 4,565,679.86 and 1,913,719.04 is: 2,640,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,415.32 : 4,565,679.86 = 1,913,719.04 : x
  2. Step 2: Convert to fraction form
    3,309,415.32/4,565,679.86 = 1,913,719.04/x
  3. Step 3: Cross multiply
    3,309,415.32x = 4,565,679.86 × 1,913,719.04
  4. Step 4: Simplify right side
    3,309,415.32x = 8,737,428,480,472.14
  5. Step 5: Solve for x
    x = 8,737,428,480,472.14/3,309,415.32
  6. Step 6: Final answer
    x = 2,640,172.85

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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.