Home / 5,390,082.60-8,082,171.45-2,191,595.10

Finding the Fourth Proportional to 5,390,082.60, 8,082,171.45 and 2,191,595.10

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Solution

The fourth proportional to 5,390,082.60, 8,082,171.45 and 2,191,595.10 is: 3,286,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,082.60 : 8,082,171.45 = 2,191,595.10 : x
  2. Step 2: Convert to fraction form
    5,390,082.60/8,082,171.45 = 2,191,595.10/x
  3. Step 3: Cross multiply
    5,390,082.60x = 8,082,171.45 × 2,191,595.10
  4. Step 4: Simplify right side
    5,390,082.60x = 17,712,847,347,179.89
  5. Step 5: Solve for x
    x = 17,712,847,347,179.89/5,390,082.60
  6. Step 6: Final answer
    x = 3,286,192.19

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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.