Home / 3,309,414.57-4,565,678.81-1,913,718.30

Finding the Fourth Proportional to 3,309,414.57, 4,565,678.81 and 1,913,718.30

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Solution

The fourth proportional to 3,309,414.57, 4,565,678.81 and 1,913,718.30 is: 2,640,171.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,414.57 : 4,565,678.81 = 1,913,718.30 : x
  2. Step 2: Convert to fraction form
    3,309,414.57/4,565,678.81 = 1,913,718.30/x
  3. Step 3: Cross multiply
    3,309,414.57x = 4,565,678.81 × 1,913,718.30
  4. Step 4: Simplify right side
    3,309,414.57x = 8,737,423,089,611.28
  5. Step 5: Solve for x
    x = 8,737,423,089,611.28/3,309,414.57
  6. Step 6: Final answer
    x = 2,640,171.82

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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.