Home / 2,930,122.78-4,395,350.25-908,654.08

Finding the Fourth Proportional to 2,930,122.78, 4,395,350.25 and 908,654.08

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Solution

The fourth proportional to 2,930,122.78, 4,395,350.25 and 908,654.08 is: 1,363,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,122.78 : 4,395,350.25 = 908,654.08 : x
  2. Step 2: Convert to fraction form
    2,930,122.78/4,395,350.25 = 908,654.08/x
  3. Step 3: Cross multiply
    2,930,122.78x = 4,395,350.25 × 908,654.08
  4. Step 4: Simplify right side
    2,930,122.78x = 3,993,852,931,853.84
  5. Step 5: Solve for x
    x = 3,993,852,931,853.84/2,930,122.78
  6. Step 6: Final answer
    x = 1,363,032.62

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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.