Home / 3,867,509.92-5,337,258.60-2,125,165.08

Finding the Fourth Proportional to 3,867,509.92, 5,337,258.60 and 2,125,165.08

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Solution

The fourth proportional to 3,867,509.92, 5,337,258.60 and 2,125,165.08 is: 2,932,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,509.92 : 5,337,258.60 = 2,125,165.08 : x
  2. Step 2: Convert to fraction form
    3,867,509.92/5,337,258.60 = 2,125,165.08/x
  3. Step 3: Cross multiply
    3,867,509.92x = 5,337,258.60 × 2,125,165.08
  4. Step 4: Simplify right side
    3,867,509.92x = 11,342,555,599,649.69
  5. Step 5: Solve for x
    x = 11,342,555,599,649.69/3,867,509.92
  6. Step 6: Final answer
    x = 2,932,779.96

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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.