Home / 2,519,928.18-3,778,841.28-790,352.40

Finding the Fourth Proportional to 2,519,928.18, 3,778,841.28 and 790,352.40

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Solution

The fourth proportional to 2,519,928.18, 3,778,841.28 and 790,352.40 is: 1,185,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,928.18 : 3,778,841.28 = 790,352.40 : x
  2. Step 2: Convert to fraction form
    2,519,928.18/3,778,841.28 = 790,352.40/x
  3. Step 3: Cross multiply
    2,519,928.18x = 3,778,841.28 × 790,352.40
  4. Step 4: Simplify right side
    2,519,928.18x = 2,986,616,274,867.07
  5. Step 5: Solve for x
    x = 2,986,616,274,867.07/2,519,928.18
  6. Step 6: Final answer
    x = 1,185,198.97

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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.