Home / 2,687,309.18-4,031,532.39-890,090.90

Finding the Fourth Proportional to 2,687,309.18, 4,031,532.39 and 890,090.90

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Solution

The fourth proportional to 2,687,309.18, 4,031,532.39 and 890,090.90 is: 1,335,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,309.18 : 4,031,532.39 = 890,090.90 : x
  2. Step 2: Convert to fraction form
    2,687,309.18/4,031,532.39 = 890,090.90/x
  3. Step 3: Cross multiply
    2,687,309.18x = 4,031,532.39 × 890,090.90
  4. Step 4: Simplify right side
    2,687,309.18x = 3,588,430,293,394.25
  5. Step 5: Solve for x
    x = 3,588,430,293,394.25/2,687,309.18
  6. Step 6: Final answer
    x = 1,335,324.69

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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.