Home / 2,631,065.60-3,948,441.60-1,686,732.80

Finding the Fourth Proportional to 2,631,065.60, 3,948,441.60 and 1,686,732.80

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Solution

The fourth proportional to 2,631,065.60, 3,948,441.60 and 1,686,732.80 is: 2,531,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,065.60 : 3,948,441.60 = 1,686,732.80 : x
  2. Step 2: Convert to fraction form
    2,631,065.60/3,948,441.60 = 1,686,732.80/x
  3. Step 3: Cross multiply
    2,631,065.60x = 3,948,441.60 × 1,686,732.80
  4. Step 4: Simplify right side
    2,631,065.60x = 6,659,965,955,604.48
  5. Step 5: Solve for x
    x = 6,659,965,955,604.48/2,631,065.60
  6. Step 6: Final answer
    x = 2,531,280.85

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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.