Home / 2,605,649.70-3,908,286.15-808,487.30

Finding the Fourth Proportional to 2,605,649.70, 3,908,286.15 and 808,487.30

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Solution

The fourth proportional to 2,605,649.70, 3,908,286.15 and 808,487.30 is: 1,212,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,649.70 : 3,908,286.15 = 808,487.30 : x
  2. Step 2: Convert to fraction form
    2,605,649.70/3,908,286.15 = 808,487.30/x
  3. Step 3: Cross multiply
    2,605,649.70x = 3,908,286.15 × 808,487.30
  4. Step 4: Simplify right side
    2,605,649.70x = 3,159,799,717,040.90
  5. Step 5: Solve for x
    x = 3,159,799,717,040.90/2,605,649.70
  6. Step 6: Final answer
    x = 1,212,672.49

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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.