Home / 2,445,724.80-3,668,587.20-1,728,279.45

Finding the Fourth Proportional to 2,445,724.80, 3,668,587.20 and 1,728,279.45

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Solution

The fourth proportional to 2,445,724.80, 3,668,587.20 and 1,728,279.45 is: 2,592,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445,724.80 : 3,668,587.20 = 1,728,279.45 : x
  2. Step 2: Convert to fraction form
    2,445,724.80/3,668,587.20 = 1,728,279.45/x
  3. Step 3: Cross multiply
    2,445,724.80x = 3,668,587.20 × 1,728,279.45
  4. Step 4: Simplify right side
    2,445,724.80x = 6,340,343,868,293.04
  5. Step 5: Solve for x
    x = 6,340,343,868,293.04/2,445,724.80
  6. Step 6: Final answer
    x = 2,592,419.18

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Double scale
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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.