Home / 2,986,947.05-4,480,997.36-1,280,851.92

Finding the Fourth Proportional to 2,986,947.05, 4,480,997.36 and 1,280,851.92

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Solution

The fourth proportional to 2,986,947.05, 4,480,997.36 and 1,280,851.92 is: 1,921,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,947.05 : 4,480,997.36 = 1,280,851.92 : x
  2. Step 2: Convert to fraction form
    2,986,947.05/4,480,997.36 = 1,280,851.92/x
  3. Step 3: Cross multiply
    2,986,947.05x = 4,480,997.36 × 1,280,851.92
  4. Step 4: Simplify right side
    2,986,947.05x = 5,739,494,065,666.67
  5. Step 5: Solve for x
    x = 5,739,494,065,666.67/2,986,947.05
  6. Step 6: Final answer
    x = 1,921,525.22

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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.