Home / 2,065,851.20-2,851,053.36-1,206,688.16

Finding the Fourth Proportional to 2,065,851.20, 2,851,053.36 and 1,206,688.16

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Solution

The fourth proportional to 2,065,851.20, 2,851,053.36 and 1,206,688.16 is: 1,665,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,851.20 : 2,851,053.36 = 1,206,688.16 : x
  2. Step 2: Convert to fraction form
    2,065,851.20/2,851,053.36 = 1,206,688.16/x
  3. Step 3: Cross multiply
    2,065,851.20x = 2,851,053.36 × 1,206,688.16
  4. Step 4: Simplify right side
    2,065,851.20x = 3,440,332,333,040.22
  5. Step 5: Solve for x
    x = 3,440,332,333,040.22/2,065,851.20
  6. Step 6: Final answer
    x = 1,665,334.04

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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.