Home / 3,986,008.40-5,963,266.20-3,459,378.80

Finding the Fourth Proportional to 3,986,008.40, 5,963,266.20 and 3,459,378.80

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Solution

The fourth proportional to 3,986,008.40, 5,963,266.20 and 3,459,378.80 is: 5,175,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,008.40 : 5,963,266.20 = 3,459,378.80 : x
  2. Step 2: Convert to fraction form
    3,986,008.40/5,963,266.20 = 3,459,378.80/x
  3. Step 3: Cross multiply
    3,986,008.40x = 5,963,266.20 × 3,459,378.80
  4. Step 4: Simplify right side
    3,986,008.40x = 20,629,196,671,036.56
  5. Step 5: Solve for x
    x = 20,629,196,671,036.56/3,986,008.40
  6. Step 6: Final answer
    x = 5,175,402.21

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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.