Home / 2,679,089.20-4,019,076.60-1,241,209.60

Finding the Fourth Proportional to 2,679,089.20, 4,019,076.60 and 1,241,209.60

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Solution

The fourth proportional to 2,679,089.20, 4,019,076.60 and 1,241,209.60 is: 1,862,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,089.20 : 4,019,076.60 = 1,241,209.60 : x
  2. Step 2: Convert to fraction form
    2,679,089.20/4,019,076.60 = 1,241,209.60/x
  3. Step 3: Cross multiply
    2,679,089.20x = 4,019,076.60 × 1,241,209.60
  4. Step 4: Simplify right side
    2,679,089.20x = 4,988,516,459,055.36
  5. Step 5: Solve for x
    x = 4,988,516,459,055.36/2,679,089.20
  6. Step 6: Final answer
    x = 1,862,019.55

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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.