Home / 2,991,883.20-4,487,824.80-748,021.20

Finding the Fourth Proportional to 2,991,883.20, 4,487,824.80 and 748,021.20

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Solution

The fourth proportional to 2,991,883.20, 4,487,824.80 and 748,021.20 is: 1,122,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,883.20 : 4,487,824.80 = 748,021.20 : x
  2. Step 2: Convert to fraction form
    2,991,883.20/4,487,824.80 = 748,021.20/x
  3. Step 3: Cross multiply
    2,991,883.20x = 4,487,824.80 × 748,021.20
  4. Step 4: Simplify right side
    2,991,883.20x = 3,356,988,092,285.76
  5. Step 5: Solve for x
    x = 3,356,988,092,285.76/2,991,883.20
  6. Step 6: Final answer
    x = 1,122,031.80

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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.