Home / 2,238,405.40-3,358,385.70-977,138.20

Finding the Fourth Proportional to 2,238,405.40, 3,358,385.70 and 977,138.20

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Solution

The fourth proportional to 2,238,405.40, 3,358,385.70 and 977,138.20 is: 1,466,046.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,405.40 : 3,358,385.70 = 977,138.20 : x
  2. Step 2: Convert to fraction form
    2,238,405.40/3,358,385.70 = 977,138.20/x
  3. Step 3: Cross multiply
    2,238,405.40x = 3,358,385.70 × 977,138.20
  4. Step 4: Simplify right side
    2,238,405.40x = 3,281,606,957,803.74
  5. Step 5: Solve for x
    x = 3,281,606,957,803.74/2,238,405.40
  6. Step 6: Final answer
    x = 1,466,046.75

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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.