Home / 5,392,154.70-8,082,702.45-3,147,137.10

Finding the Fourth Proportional to 5,392,154.70, 8,082,702.45 and 3,147,137.10

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Solution

The fourth proportional to 5,392,154.70, 8,082,702.45 and 3,147,137.10 is: 4,717,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392,154.70 : 8,082,702.45 = 3,147,137.10 : x
  2. Step 2: Convert to fraction form
    5,392,154.70/8,082,702.45 = 3,147,137.10/x
  3. Step 3: Cross multiply
    5,392,154.70x = 8,082,702.45 × 3,147,137.10
  4. Step 4: Simplify right side
    5,392,154.70x = 25,437,372,748,655.89
  5. Step 5: Solve for x
    x = 25,437,372,748,655.89/5,392,154.70
  6. Step 6: Final answer
    x = 4,717,478.29

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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.