Home / 2,991,886.88-4,487,830.31-748,024.88

Finding the Fourth Proportional to 2,991,886.88, 4,487,830.31 and 748,024.88

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Solution

The fourth proportional to 2,991,886.88, 4,487,830.31 and 748,024.88 is: 1,122,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,886.88 : 4,487,830.31 = 748,024.88 : x
  2. Step 2: Convert to fraction form
    2,991,886.88/4,487,830.31 = 748,024.88/x
  3. Step 3: Cross multiply
    2,991,886.88x = 4,487,830.31 × 748,024.88
  4. Step 4: Simplify right side
    2,991,886.88x = 3,357,008,708,529.02
  5. Step 5: Solve for x
    x = 3,357,008,708,529.02/2,991,886.88
  6. Step 6: Final answer
    x = 1,122,037.31

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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.