Home / 2,679,066.20-4,019,042.10-1,241,186.60

Finding the Fourth Proportional to 2,679,066.20, 4,019,042.10 and 1,241,186.60

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Solution

The fourth proportional to 2,679,066.20, 4,019,042.10 and 1,241,186.60 is: 1,861,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,066.20 : 4,019,042.10 = 1,241,186.60 : x
  2. Step 2: Convert to fraction form
    2,679,066.20/4,019,042.10 = 1,241,186.60/x
  3. Step 3: Cross multiply
    2,679,066.20x = 4,019,042.10 × 1,241,186.60
  4. Step 4: Simplify right side
    2,679,066.20x = 4,988,381,199,355.86
  5. Step 5: Solve for x
    x = 4,988,381,199,355.86/2,679,066.20
  6. Step 6: Final answer
    x = 1,861,985.05

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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.