Home / 3,977,687.70-5,966,531.55-1,318,295.70

Finding the Fourth Proportional to 3,977,687.70, 5,966,531.55 and 1,318,295.70

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Solution

The fourth proportional to 3,977,687.70, 5,966,531.55 and 1,318,295.70 is: 1,977,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,687.70 : 5,966,531.55 = 1,318,295.70 : x
  2. Step 2: Convert to fraction form
    3,977,687.70/5,966,531.55 = 1,318,295.70/x
  3. Step 3: Cross multiply
    3,977,687.70x = 5,966,531.55 × 1,318,295.70
  4. Step 4: Simplify right side
    3,977,687.70x = 7,865,652,886,279.34
  5. Step 5: Solve for x
    x = 7,865,652,886,279.34/3,977,687.70
  6. Step 6: Final answer
    x = 1,977,443.55

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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.