Home / 4,127,789.20-6,191,683.80-2,214,601.60

Finding the Fourth Proportional to 4,127,789.20, 6,191,683.80 and 2,214,601.60

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Solution

The fourth proportional to 4,127,789.20, 6,191,683.80 and 2,214,601.60 is: 3,321,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127,789.20 : 6,191,683.80 = 2,214,601.60 : x
  2. Step 2: Convert to fraction form
    4,127,789.20/6,191,683.80 = 2,214,601.60/x
  3. Step 3: Cross multiply
    4,127,789.20x = 6,191,683.80 × 2,214,601.60
  4. Step 4: Simplify right side
    4,127,789.20x = 13,712,112,850,174.08
  5. Step 5: Solve for x
    x = 13,712,112,850,174.08/4,127,789.20
  6. Step 6: Final answer
    x = 3,321,902.40

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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.