Home / 2,658,171.40-3,987,257.10-1,650,401.80

Finding the Fourth Proportional to 2,658,171.40, 3,987,257.10 and 1,650,401.80

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Solution

The fourth proportional to 2,658,171.40, 3,987,257.10 and 1,650,401.80 is: 2,475,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658,171.40 : 3,987,257.10 = 1,650,401.80 : x
  2. Step 2: Convert to fraction form
    2,658,171.40/3,987,257.10 = 1,650,401.80/x
  3. Step 3: Cross multiply
    2,658,171.40x = 3,987,257.10 × 1,650,401.80
  4. Step 4: Simplify right side
    2,658,171.40x = 6,580,576,294,902.78
  5. Step 5: Solve for x
    x = 6,580,576,294,902.78/2,658,171.40
  6. Step 6: Final answer
    x = 2,475,602.70

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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.