Home / 3,253,678.40-4,490,344.88-1,803,828.56

Finding the Fourth Proportional to 3,253,678.40, 4,490,344.88 and 1,803,828.56

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Solution

The fourth proportional to 3,253,678.40, 4,490,344.88 and 1,803,828.56 is: 2,489,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253,678.40 : 4,490,344.88 = 1,803,828.56 : x
  2. Step 2: Convert to fraction form
    3,253,678.40/4,490,344.88 = 1,803,828.56/x
  3. Step 3: Cross multiply
    3,253,678.40x = 4,490,344.88 × 1,803,828.56
  4. Step 4: Simplify right side
    3,253,678.40x = 8,099,812,338,793.77
  5. Step 5: Solve for x
    x = 8,099,812,338,793.77/3,253,678.40
  6. Step 6: Final answer
    x = 2,489,432.37

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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.