Home / 3,411,939.38-4,708,479.10-2,188,241.12

Finding the Fourth Proportional to 3,411,939.38, 4,708,479.10 and 2,188,241.12

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Solution

The fourth proportional to 3,411,939.38, 4,708,479.10 and 2,188,241.12 is: 3,019,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411,939.38 : 4,708,479.10 = 2,188,241.12 : x
  2. Step 2: Convert to fraction form
    3,411,939.38/4,708,479.10 = 2,188,241.12/x
  3. Step 3: Cross multiply
    3,411,939.38x = 4,708,479.10 × 2,188,241.12
  4. Step 4: Simplify right side
    3,411,939.38x = 10,303,287,583,529.93
  5. Step 5: Solve for x
    x = 10,303,287,583,529.93/3,411,939.38
  6. Step 6: Final answer
    x = 3,019,774.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.