Home / 5,155,158.28-7,113,327.56-2,979,281.20

Finding the Fourth Proportional to 5,155,158.28, 7,113,327.56 and 2,979,281.20

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Solution

The fourth proportional to 5,155,158.28, 7,113,327.56 and 2,979,281.20 is: 4,110,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155,158.28 : 7,113,327.56 = 2,979,281.20 : x
  2. Step 2: Convert to fraction form
    5,155,158.28/7,113,327.56 = 2,979,281.20/x
  3. Step 3: Cross multiply
    5,155,158.28x = 7,113,327.56 × 2,979,281.20
  4. Step 4: Simplify right side
    5,155,158.28x = 21,192,603,060,779.94
  5. Step 5: Solve for x
    x = 21,192,603,060,779.94/5,155,158.28
  6. Step 6: Final answer
    x = 4,110,951.00

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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.