Home / 5,456,422.28-8,190,018.21-2,897,629.88

Finding the Fourth Proportional to 5,456,422.28, 8,190,018.21 and 2,897,629.88

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Solution

The fourth proportional to 5,456,422.28, 8,190,018.21 and 2,897,629.88 is: 4,349,304.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456,422.28 : 8,190,018.21 = 2,897,629.88 : x
  2. Step 2: Convert to fraction form
    5,456,422.28/8,190,018.21 = 2,897,629.88/x
  3. Step 3: Cross multiply
    5,456,422.28x = 8,190,018.21 × 2,897,629.88
  4. Step 4: Simplify right side
    5,456,422.28x = 23,731,641,442,090.02
  5. Step 5: Solve for x
    x = 23,731,641,442,090.02/5,456,422.28
  6. Step 6: Final answer
    x = 4,349,304.41

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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.