Home / 7,946,790-11,921,961.92-2,898,100.52

Finding the Fourth Proportional to 7,946,790, 11,921,961.92 and 2,898,100.52

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Solution

The fourth proportional to 7,946,790, 11,921,961.92 and 2,898,100.52 is: 4,347,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946,790 : 11,921,961.92 = 2,898,100.52 : x
  2. Step 2: Convert to fraction form
    7,946,790/11,921,961.92 = 2,898,100.52/x
  3. Step 3: Cross multiply
    7,946,790x = 11,921,961.92 × 2,898,100.52
  4. Step 4: Simplify right side
    7,946,790x = 34,551,044,039,772.20
  5. Step 5: Solve for x
    x = 34,551,044,039,772.20/7,946,790
  6. Step 6: Final answer
    x = 4,347,798.80

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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.