Home / 5,289,849.60-7,934,774.40-2,766,278.40

Finding the Fourth Proportional to 5,289,849.60, 7,934,774.40 and 2,766,278.40

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Solution

The fourth proportional to 5,289,849.60, 7,934,774.40 and 2,766,278.40 is: 4,149,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289,849.60 : 7,934,774.40 = 2,766,278.40 : x
  2. Step 2: Convert to fraction form
    5,289,849.60/7,934,774.40 = 2,766,278.40/x
  3. Step 3: Cross multiply
    5,289,849.60x = 7,934,774.40 × 2,766,278.40
  4. Step 4: Simplify right side
    5,289,849.60x = 21,949,795,031,592.96
  5. Step 5: Solve for x
    x = 21,949,795,031,592.96/5,289,849.60
  6. Step 6: Final answer
    x = 4,149,417.60

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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.