Home / 3,476,809.40-5,215,214.10-918,019.40

Finding the Fourth Proportional to 3,476,809.40, 5,215,214.10 and 918,019.40

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Solution

The fourth proportional to 3,476,809.40, 5,215,214.10 and 918,019.40 is: 1,377,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476,809.40 : 5,215,214.10 = 918,019.40 : x
  2. Step 2: Convert to fraction form
    3,476,809.40/5,215,214.10 = 918,019.40/x
  3. Step 3: Cross multiply
    3,476,809.40x = 5,215,214.10 × 918,019.40
  4. Step 4: Simplify right side
    3,476,809.40x = 4,787,667,718,953.54
  5. Step 5: Solve for x
    x = 4,787,667,718,953.54/3,476,809.40
  6. Step 6: Final answer
    x = 1,377,029.10

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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.