Home / 2,108,394.80-2,909,549.36-1,141,517.28

Finding the Fourth Proportional to 2,108,394.80, 2,909,549.36 and 1,141,517.28

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Solution

The fourth proportional to 2,108,394.80, 2,909,549.36 and 1,141,517.28 is: 1,575,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,394.80 : 2,909,549.36 = 1,141,517.28 : x
  2. Step 2: Convert to fraction form
    2,108,394.80/2,909,549.36 = 1,141,517.28/x
  3. Step 3: Cross multiply
    2,108,394.80x = 2,909,549.36 × 1,141,517.28
  4. Step 4: Simplify right side
    2,108,394.80x = 3,321,300,871,452.94
  5. Step 5: Solve for x
    x = 3,321,300,871,452.94/2,108,394.80
  6. Step 6: Final answer
    x = 1,575,274.65

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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.