Home / 2,986,427.70-4,480,217.55-1,280,546.10

Finding the Fourth Proportional to 2,986,427.70, 4,480,217.55 and 1,280,546.10

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Solution

The fourth proportional to 2,986,427.70, 4,480,217.55 and 1,280,546.10 is: 1,921,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,427.70 : 4,480,217.55 = 1,280,546.10 : x
  2. Step 2: Convert to fraction form
    2,986,427.70/4,480,217.55 = 1,280,546.10/x
  3. Step 3: Cross multiply
    2,986,427.70x = 4,480,217.55 × 1,280,546.10
  4. Step 4: Simplify right side
    2,986,427.70x = 5,737,125,110,804.06
  5. Step 5: Solve for x
    x = 5,737,125,110,804.06/2,986,427.70
  6. Step 6: Final answer
    x = 1,921,066.13

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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.