Home / 2,215,246.40-3,320,245.20-1,653,624.80

Finding the Fourth Proportional to 2,215,246.40, 3,320,245.20 and 1,653,624.80

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Solution

The fourth proportional to 2,215,246.40, 3,320,245.20 and 1,653,624.80 is: 2,478,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,246.40 : 3,320,245.20 = 1,653,624.80 : x
  2. Step 2: Convert to fraction form
    2,215,246.40/3,320,245.20 = 1,653,624.80/x
  3. Step 3: Cross multiply
    2,215,246.40x = 3,320,245.20 × 1,653,624.80
  4. Step 4: Simplify right side
    2,215,246.40x = 5,490,439,804,800.96
  5. Step 5: Solve for x
    x = 5,490,439,804,800.96/2,215,246.40
  6. Step 6: Final answer
    x = 2,478,478.15

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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.