Home / 3,087,459.20-4,260,647.04-1,729,380.80

Finding the Fourth Proportional to 3,087,459.20, 4,260,647.04 and 1,729,380.80

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Solution

The fourth proportional to 3,087,459.20, 4,260,647.04 and 1,729,380.80 is: 2,386,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,459.20 : 4,260,647.04 = 1,729,380.80 : x
  2. Step 2: Convert to fraction form
    3,087,459.20/4,260,647.04 = 1,729,380.80/x
  3. Step 3: Cross multiply
    3,087,459.20x = 4,260,647.04 × 1,729,380.80
  4. Step 4: Simplify right side
    3,087,459.20x = 7,368,281,186,552.83
  5. Step 5: Solve for x
    x = 7,368,281,186,552.83/3,087,459.20
  6. Step 6: Final answer
    x = 2,386,519.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.