Home / 2,991,889.20-4,487,833.80-748,027.20

Finding the Fourth Proportional to 2,991,889.20, 4,487,833.80 and 748,027.20

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Solution

The fourth proportional to 2,991,889.20, 4,487,833.80 and 748,027.20 is: 1,122,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,889.20 : 4,487,833.80 = 748,027.20 : x
  2. Step 2: Convert to fraction form
    2,991,889.20/4,487,833.80 = 748,027.20/x
  3. Step 3: Cross multiply
    2,991,889.20x = 4,487,833.80 × 748,027.20
  4. Step 4: Simplify right side
    2,991,889.20x = 3,357,021,751,479.36
  5. Step 5: Solve for x
    x = 3,357,021,751,479.36/2,991,889.20
  6. Step 6: Final answer
    x = 1,122,040.80

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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.