Home / 3,280,442.20-4,920,663.30-3,028,499.80

Finding the Fourth Proportional to 3,280,442.20, 4,920,663.30 and 3,028,499.80

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Solution

The fourth proportional to 3,280,442.20, 4,920,663.30 and 3,028,499.80 is: 4,542,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,442.20 : 4,920,663.30 = 3,028,499.80 : x
  2. Step 2: Convert to fraction form
    3,280,442.20/4,920,663.30 = 3,028,499.80/x
  3. Step 3: Cross multiply
    3,280,442.20x = 4,920,663.30 × 3,028,499.80
  4. Step 4: Simplify right side
    3,280,442.20x = 14,902,227,819,917.34
  5. Step 5: Solve for x
    x = 14,902,227,819,917.34/3,280,442.20
  6. Step 6: Final answer
    x = 4,542,749.70

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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.