Home / 2,012,140.80-3,017,174.40-749,318.40

Finding the Fourth Proportional to 2,012,140.80, 3,017,174.40 and 749,318.40

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Solution

The fourth proportional to 2,012,140.80, 3,017,174.40 and 749,318.40 is: 1,123,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,140.80 : 3,017,174.40 = 749,318.40 : x
  2. Step 2: Convert to fraction form
    2,012,140.80/3,017,174.40 = 749,318.40/x
  3. Step 3: Cross multiply
    2,012,140.80x = 3,017,174.40 × 749,318.40
  4. Step 4: Simplify right side
    2,012,140.80x = 2,260,824,293,928.96
  5. Step 5: Solve for x
    x = 2,260,824,293,928.96/2,012,140.80
  6. Step 6: Final answer
    x = 1,123,591.50

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Similar ratio
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1.5x scale

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.