Home / 5,393,999.10-8,090,998.65-2,197,479.90

Finding the Fourth Proportional to 5,393,999.10, 8,090,998.65 and 2,197,479.90

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Solution

The fourth proportional to 5,393,999.10, 8,090,998.65 and 2,197,479.90 is: 3,296,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393,999.10 : 8,090,998.65 = 2,197,479.90 : x
  2. Step 2: Convert to fraction form
    5,393,999.10/8,090,998.65 = 2,197,479.90/x
  3. Step 3: Cross multiply
    5,393,999.10x = 8,090,998.65 × 2,197,479.90
  4. Step 4: Simplify right side
    5,393,999.10x = 17,779,806,904,302.14
  5. Step 5: Solve for x
    x = 17,779,806,904,302.14/5,393,999.10
  6. Step 6: Final answer
    x = 3,296,219.85

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Similar ratio
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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.