Home / 2,679,388.40-4,019,017.80-1,613,622.80

Finding the Fourth Proportional to 2,679,388.40, 4,019,017.80 and 1,613,622.80

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Solution

The fourth proportional to 2,679,388.40, 4,019,017.80 and 1,613,622.80 is: 2,420,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,388.40 : 4,019,017.80 = 1,613,622.80 : x
  2. Step 2: Convert to fraction form
    2,679,388.40/4,019,017.80 = 1,613,622.80/x
  3. Step 3: Cross multiply
    2,679,388.40x = 4,019,017.80 × 1,613,622.80
  4. Step 4: Simplify right side
    2,679,388.40x = 6,485,178,755,685.84
  5. Step 5: Solve for x
    x = 6,485,178,755,685.84/2,679,388.40
  6. Step 6: Final answer
    x = 2,420,395.18

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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.