Home / 1,943,986.40-2,915,979.60-948,658.40

Finding the Fourth Proportional to 1,943,986.40, 2,915,979.60 and 948,658.40

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Solution

The fourth proportional to 1,943,986.40, 2,915,979.60 and 948,658.40 is: 1,422,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,986.40 : 2,915,979.60 = 948,658.40 : x
  2. Step 2: Convert to fraction form
    1,943,986.40/2,915,979.60 = 948,658.40/x
  3. Step 3: Cross multiply
    1,943,986.40x = 2,915,979.60 × 948,658.40
  4. Step 4: Simplify right side
    1,943,986.40x = 2,766,268,541,768.64
  5. Step 5: Solve for x
    x = 2,766,268,541,768.64/1,943,986.40
  6. Step 6: Final answer
    x = 1,422,987.60

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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.