Home / 2,782,001.71-4,173,285.75-960,129.55

Finding the Fourth Proportional to 2,782,001.71, 4,173,285.75 and 960,129.55

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Solution

The fourth proportional to 2,782,001.71, 4,173,285.75 and 960,129.55 is: 1,440,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,001.71 : 4,173,285.75 = 960,129.55 : x
  2. Step 2: Convert to fraction form
    2,782,001.71/4,173,285.75 = 960,129.55/x
  3. Step 3: Cross multiply
    2,782,001.71x = 4,173,285.75 × 960,129.55
  4. Step 4: Simplify right side
    2,782,001.71x = 4,006,894,969,168.91
  5. Step 5: Solve for x
    x = 4,006,894,969,168.91/2,782,001.71
  6. Step 6: Final answer
    x = 1,440,292.06

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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.