Home / 2,328,004.80-3,492,007.20-981,687.60

Finding the Fourth Proportional to 2,328,004.80, 3,492,007.20 and 981,687.60

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Solution

The fourth proportional to 2,328,004.80, 3,492,007.20 and 981,687.60 is: 1,472,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328,004.80 : 3,492,007.20 = 981,687.60 : x
  2. Step 2: Convert to fraction form
    2,328,004.80/3,492,007.20 = 981,687.60/x
  3. Step 3: Cross multiply
    2,328,004.80x = 3,492,007.20 × 981,687.60
  4. Step 4: Simplify right side
    2,328,004.80x = 3,428,060,167,350.72
  5. Step 5: Solve for x
    x = 3,428,060,167,350.72/2,328,004.80
  6. Step 6: Final answer
    x = 1,472,531.40

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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.