Home / 5,164,236.91-7,126,627.91-2,872,397.60

Finding the Fourth Proportional to 5,164,236.91, 7,126,627.91 and 2,872,397.60

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Solution

The fourth proportional to 5,164,236.91, 7,126,627.91 and 2,872,397.60 is: 3,963,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164,236.91 : 7,126,627.91 = 2,872,397.60 : x
  2. Step 2: Convert to fraction form
    5,164,236.91/7,126,627.91 = 2,872,397.60/x
  3. Step 3: Cross multiply
    5,164,236.91x = 7,126,627.91 × 2,872,397.60
  4. Step 4: Simplify right side
    5,164,236.91x = 20,470,508,897,663.98
  5. Step 5: Solve for x
    x = 20,470,508,897,663.98/5,164,236.91
  6. Step 6: Final answer
    x = 3,963,898.10

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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.