Home / 3,347,226.40-4,618,819.92-1,988,914.72

Finding the Fourth Proportional to 3,347,226.40, 4,618,819.92 and 1,988,914.72

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Solution

The fourth proportional to 3,347,226.40, 4,618,819.92 and 1,988,914.72 is: 2,744,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347,226.40 : 4,618,819.92 = 1,988,914.72 : x
  2. Step 2: Convert to fraction form
    3,347,226.40/4,618,819.92 = 1,988,914.72/x
  3. Step 3: Cross multiply
    3,347,226.40x = 4,618,819.92 × 1,988,914.72
  4. Step 4: Simplify right side
    3,347,226.40x = 9,186,438,927,917.22
  5. Step 5: Solve for x
    x = 9,186,438,927,917.22/3,347,226.40
  6. Step 6: Final answer
    x = 2,744,492.85

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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.