Home / 2,830,919.40-4,238,084.70-2,499,143.40

Finding the Fourth Proportional to 2,830,919.40, 4,238,084.70 and 2,499,143.40

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Solution

The fourth proportional to 2,830,919.40, 4,238,084.70 and 2,499,143.40 is: 3,741,392.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830,919.40 : 4,238,084.70 = 2,499,143.40 : x
  2. Step 2: Convert to fraction form
    2,830,919.40/4,238,084.70 = 2,499,143.40/x
  3. Step 3: Cross multiply
    2,830,919.40x = 4,238,084.70 × 2,499,143.40
  4. Step 4: Simplify right side
    2,830,919.40x = 10,591,581,406,645.98
  5. Step 5: Solve for x
    x = 10,591,581,406,645.98/2,830,919.40
  6. Step 6: Final answer
    x = 3,741,392.78

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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.