Home / 5,341,337.20-8,012,005.80-2,146,956.40

Finding the Fourth Proportional to 5,341,337.20, 8,012,005.80 and 2,146,956.40

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Solution

The fourth proportional to 5,341,337.20, 8,012,005.80 and 2,146,956.40 is: 3,220,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341,337.20 : 8,012,005.80 = 2,146,956.40 : x
  2. Step 2: Convert to fraction form
    5,341,337.20/8,012,005.80 = 2,146,956.40/x
  3. Step 3: Cross multiply
    5,341,337.20x = 8,012,005.80 × 2,146,956.40
  4. Step 4: Simplify right side
    5,341,337.20x = 17,201,427,129,147.12
  5. Step 5: Solve for x
    x = 17,201,427,129,147.12/5,341,337.20
  6. Step 6: Final answer
    x = 3,220,434.60

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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.