Home / 2,065,849.20-2,851,050.60-1,206,686.16

Finding the Fourth Proportional to 2,065,849.20, 2,851,050.60 and 1,206,686.16

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Solution

The fourth proportional to 2,065,849.20, 2,851,050.60 and 1,206,686.16 is: 1,665,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,849.20 : 2,851,050.60 = 1,206,686.16 : x
  2. Step 2: Convert to fraction form
    2,065,849.20/2,851,050.60 = 1,206,686.16/x
  3. Step 3: Cross multiply
    2,065,849.20x = 2,851,050.60 × 1,206,686.16
  4. Step 4: Simplify right side
    2,065,849.20x = 3,440,323,300,479.70
  5. Step 5: Solve for x
    x = 3,440,323,300,479.70/2,065,849.20
  6. Step 6: Final answer
    x = 1,665,331.28

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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.