Home / 2,679,968.40-4,019,952.60-2,651,974.80

Finding the Fourth Proportional to 2,679,968.40, 4,019,952.60 and 2,651,974.80

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Solution

The fourth proportional to 2,679,968.40, 4,019,952.60 and 2,651,974.80 is: 3,977,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,968.40 : 4,019,952.60 = 2,651,974.80 : x
  2. Step 2: Convert to fraction form
    2,679,968.40/4,019,952.60 = 2,651,974.80/x
  3. Step 3: Cross multiply
    2,679,968.40x = 4,019,952.60 × 2,651,974.80
  4. Step 4: Simplify right side
    2,679,968.40x = 10,660,812,992,394.48
  5. Step 5: Solve for x
    x = 10,660,812,992,394.48/2,679,968.40
  6. Step 6: Final answer
    x = 3,977,962.20

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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.