Home / 5,423,999.40-8,135,999.10-3,298,252.20

Finding the Fourth Proportional to 5,423,999.40, 8,135,999.10 and 3,298,252.20

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Solution

The fourth proportional to 5,423,999.40, 8,135,999.10 and 3,298,252.20 is: 4,947,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423,999.40 : 8,135,999.10 = 3,298,252.20 : x
  2. Step 2: Convert to fraction form
    5,423,999.40/8,135,999.10 = 3,298,252.20/x
  3. Step 3: Cross multiply
    5,423,999.40x = 8,135,999.10 × 3,298,252.20
  4. Step 4: Simplify right side
    5,423,999.40x = 26,834,576,930,773.02
  5. Step 5: Solve for x
    x = 26,834,576,930,773.02/5,423,999.40
  6. Step 6: Final answer
    x = 4,947,378.30

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1.5x scale

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.