Home / 2,198,748.70-3,298,123.05-778,948.30

Finding the Fourth Proportional to 2,198,748.70, 3,298,123.05 and 778,948.30

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Solution

The fourth proportional to 2,198,748.70, 3,298,123.05 and 778,948.30 is: 1,168,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,748.70 : 3,298,123.05 = 778,948.30 : x
  2. Step 2: Convert to fraction form
    2,198,748.70/3,298,123.05 = 778,948.30/x
  3. Step 3: Cross multiply
    2,198,748.70x = 3,298,123.05 × 778,948.30
  4. Step 4: Simplify right side
    2,198,748.70x = 2,569,067,342,988.32
  5. Step 5: Solve for x
    x = 2,569,067,342,988.32/2,198,748.70
  6. Step 6: Final answer
    x = 1,168,422.45

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Similar ratio
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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.