Home / 3,013,944.72-4,520,558.88-991,687.20

Finding the Fourth Proportional to 3,013,944.72, 4,520,558.88 and 991,687.20

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Solution

The fourth proportional to 3,013,944.72, 4,520,558.88 and 991,687.20 is: 1,487,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013,944.72 : 4,520,558.88 = 991,687.20 : x
  2. Step 2: Convert to fraction form
    3,013,944.72/4,520,558.88 = 991,687.20/x
  3. Step 3: Cross multiply
    3,013,944.72x = 4,520,558.88 × 991,687.20
  4. Step 4: Simplify right side
    3,013,944.72x = 4,482,980,378,142.34
  5. Step 5: Solve for x
    x = 4,482,980,378,142.34/3,013,944.72
  6. Step 6: Final answer
    x = 1,487,412.94

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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.