Home / 2,078,166.10-3,116,471.55-729,807.70

Finding the Fourth Proportional to 2,078,166.10, 3,116,471.55 and 729,807.70

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Solution

The fourth proportional to 2,078,166.10, 3,116,471.55 and 729,807.70 is: 1,094,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,166.10 : 3,116,471.55 = 729,807.70 : x
  2. Step 2: Convert to fraction form
    2,078,166.10/3,116,471.55 = 729,807.70/x
  3. Step 3: Cross multiply
    2,078,166.10x = 3,116,471.55 × 729,807.70
  4. Step 4: Simplify right side
    2,078,166.10x = 2,274,424,934,020.93
  5. Step 5: Solve for x
    x = 2,274,424,934,020.93/2,078,166.10
  6. Step 6: Final answer
    x = 1,094,438.47

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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.