Home / 6,456,390.40-9,659,702.40-4,216,902.40

Finding the Fourth Proportional to 6,456,390.40, 9,659,702.40 and 4,216,902.40

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Solution

The fourth proportional to 6,456,390.40, 9,659,702.40 and 4,216,902.40 is: 6,309,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456,390.40 : 9,659,702.40 = 4,216,902.40 : x
  2. Step 2: Convert to fraction form
    6,456,390.40/9,659,702.40 = 4,216,902.40/x
  3. Step 3: Cross multiply
    6,456,390.40x = 9,659,702.40 × 4,216,902.40
  4. Step 4: Simplify right side
    6,456,390.40x = 40,734,022,233,845.77
  5. Step 5: Solve for x
    x = 40,734,022,233,845.77/6,456,390.40
  6. Step 6: Final answer
    x = 6,309,101.48

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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.