Home / 3,988,267.60-5,982,401.40-2,712,809.20

Finding the Fourth Proportional to 3,988,267.60, 5,982,401.40 and 2,712,809.20

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Solution

The fourth proportional to 3,988,267.60, 5,982,401.40 and 2,712,809.20 is: 4,069,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,267.60 : 5,982,401.40 = 2,712,809.20 : x
  2. Step 2: Convert to fraction form
    3,988,267.60/5,982,401.40 = 2,712,809.20/x
  3. Step 3: Cross multiply
    3,988,267.60x = 5,982,401.40 × 2,712,809.20
  4. Step 4: Simplify right side
    3,988,267.60x = 16,229,113,556,012.88
  5. Step 5: Solve for x
    x = 16,229,113,556,012.88/3,988,267.60
  6. Step 6: Final answer
    x = 4,069,213.80

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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.