Home / 2,727,218.10-4,090,827.15-1,971,390.90

Finding the Fourth Proportional to 2,727,218.10, 4,090,827.15 and 1,971,390.90

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Solution

The fourth proportional to 2,727,218.10, 4,090,827.15 and 1,971,390.90 is: 2,957,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727,218.10 : 4,090,827.15 = 1,971,390.90 : x
  2. Step 2: Convert to fraction form
    2,727,218.10/4,090,827.15 = 1,971,390.90/x
  3. Step 3: Cross multiply
    2,727,218.10x = 4,090,827.15 × 1,971,390.90
  4. Step 4: Simplify right side
    2,727,218.10x = 8,064,619,416,982.94
  5. Step 5: Solve for x
    x = 8,064,619,416,982.94/2,727,218.10
  6. Step 6: Final answer
    x = 2,957,086.35

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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.