Home / 2,631,066.60-3,948,443.10-1,686,733.80

Finding the Fourth Proportional to 2,631,066.60, 3,948,443.10 and 1,686,733.80

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Solution

The fourth proportional to 2,631,066.60, 3,948,443.10 and 1,686,733.80 is: 2,531,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,066.60 : 3,948,443.10 = 1,686,733.80 : x
  2. Step 2: Convert to fraction form
    2,631,066.60/3,948,443.10 = 1,686,733.80/x
  3. Step 3: Cross multiply
    2,631,066.60x = 3,948,443.10 × 1,686,733.80
  4. Step 4: Simplify right side
    2,631,066.60x = 6,659,972,434,146.78
  5. Step 5: Solve for x
    x = 6,659,972,434,146.78/2,631,066.60
  6. Step 6: Final answer
    x = 2,531,282.35

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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.