Home / 4,787,949.70-7,182,248.55-1,948,111.30

Finding the Fourth Proportional to 4,787,949.70, 7,182,248.55 and 1,948,111.30

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Solution

The fourth proportional to 4,787,949.70, 7,182,248.55 and 1,948,111.30 is: 2,922,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787,949.70 : 7,182,248.55 = 1,948,111.30 : x
  2. Step 2: Convert to fraction form
    4,787,949.70/7,182,248.55 = 1,948,111.30/x
  3. Step 3: Cross multiply
    4,787,949.70x = 7,182,248.55 × 1,948,111.30
  4. Step 4: Simplify right side
    4,787,949.70x = 13,991,819,559,663.62
  5. Step 5: Solve for x
    x = 13,991,819,559,663.62/4,787,949.70
  6. Step 6: Final answer
    x = 2,922,298.78

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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.