Home / 2,064,389.40-3,090,679.20-1,267,227.90

Finding the Fourth Proportional to 2,064,389.40, 3,090,679.20 and 1,267,227.90

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Solution

The fourth proportional to 2,064,389.40, 3,090,679.20 and 1,267,227.90 is: 1,897,217.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064,389.40 : 3,090,679.20 = 1,267,227.90 : x
  2. Step 2: Convert to fraction form
    2,064,389.40/3,090,679.20 = 1,267,227.90/x
  3. Step 3: Cross multiply
    2,064,389.40x = 3,090,679.20 × 1,267,227.90
  4. Step 4: Simplify right side
    2,064,389.40x = 3,916,594,912,189.68
  5. Step 5: Solve for x
    x = 3,916,594,912,189.68/2,064,389.40
  6. Step 6: Final answer
    x = 1,897,217.12

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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.