Home / 6,428,214.20-8,871,191-3,527,709.54

Finding the Fourth Proportional to 6,428,214.20, 8,871,191 and 3,527,709.54

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Solution

The fourth proportional to 6,428,214.20, 8,871,191 and 3,527,709.54 is: 4,868,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,214.20 : 8,871,191 = 3,527,709.54 : x
  2. Step 2: Convert to fraction form
    6,428,214.20/8,871,191 = 3,527,709.54/x
  3. Step 3: Cross multiply
    6,428,214.20x = 8,871,191 × 3,527,709.54
  4. Step 4: Simplify right side
    6,428,214.20x = 31,294,985,121,862.14
  5. Step 5: Solve for x
    x = 31,294,985,121,862.14/6,428,214.20
  6. Step 6: Final answer
    x = 4,868,379.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.