Home / 5,390,745.10-8,086,117.65-2,871,321.10

Finding the Fourth Proportional to 5,390,745.10, 8,086,117.65 and 2,871,321.10

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Solution

The fourth proportional to 5,390,745.10, 8,086,117.65 and 2,871,321.10 is: 4,306,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,745.10 : 8,086,117.65 = 2,871,321.10 : x
  2. Step 2: Convert to fraction form
    5,390,745.10/8,086,117.65 = 2,871,321.10/x
  3. Step 3: Cross multiply
    5,390,745.10x = 8,086,117.65 × 2,871,321.10
  4. Step 4: Simplify right side
    5,390,745.10x = 23,217,840,225,527.42
  5. Step 5: Solve for x
    x = 23,217,840,225,527.42/5,390,745.10
  6. Step 6: Final answer
    x = 4,306,981.65

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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.