Home / 2,561,646.90-3,842,470.35-788,718.90

Finding the Fourth Proportional to 2,561,646.90, 3,842,470.35 and 788,718.90

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Solution

The fourth proportional to 2,561,646.90, 3,842,470.35 and 788,718.90 is: 1,183,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,646.90 : 3,842,470.35 = 788,718.90 : x
  2. Step 2: Convert to fraction form
    2,561,646.90/3,842,470.35 = 788,718.90/x
  3. Step 3: Cross multiply
    2,561,646.90x = 3,842,470.35 × 788,718.90
  4. Step 4: Simplify right side
    2,561,646.90x = 3,030,628,987,734.62
  5. Step 5: Solve for x
    x = 3,030,628,987,734.62/2,561,646.90
  6. Step 6: Final answer
    x = 1,183,078.35

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Similar ratio
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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.