Home / 2,675,295.40-4,012,943.10-878,456.20

Finding the Fourth Proportional to 2,675,295.40, 4,012,943.10 and 878,456.20

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Solution

The fourth proportional to 2,675,295.40, 4,012,943.10 and 878,456.20 is: 1,317,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675,295.40 : 4,012,943.10 = 878,456.20 : x
  2. Step 2: Convert to fraction form
    2,675,295.40/4,012,943.10 = 878,456.20/x
  3. Step 3: Cross multiply
    2,675,295.40x = 4,012,943.10 × 878,456.20
  4. Step 4: Simplify right side
    2,675,295.40x = 3,525,194,746,442.22
  5. Step 5: Solve for x
    x = 3,525,194,746,442.22/2,675,295.40
  6. Step 6: Final answer
    x = 1,317,684.30

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Similar ratio
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1.5x scale

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.