Home / 2,146,540.80-3,219,811.20-650,438.40

Finding the Fourth Proportional to 2,146,540.80, 3,219,811.20 and 650,438.40

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Solution

The fourth proportional to 2,146,540.80, 3,219,811.20 and 650,438.40 is: 975,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,540.80 : 3,219,811.20 = 650,438.40 : x
  2. Step 2: Convert to fraction form
    2,146,540.80/3,219,811.20 = 650,438.40/x
  3. Step 3: Cross multiply
    2,146,540.80x = 3,219,811.20 × 650,438.40
  4. Step 4: Simplify right side
    2,146,540.80x = 2,094,288,845,230.08
  5. Step 5: Solve for x
    x = 2,094,288,845,230.08/2,146,540.80
  6. Step 6: Final answer
    x = 975,657.60

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Similar ratio
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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.