Home / 2,109,335.04-2,910,859.20-1,142,441.28

Finding the Fourth Proportional to 2,109,335.04, 2,910,859.20 and 1,142,441.28

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Solution

The fourth proportional to 2,109,335.04, 2,910,859.20 and 1,142,441.28 is: 1,576,556.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,335.04 : 2,910,859.20 = 1,142,441.28 : x
  2. Step 2: Convert to fraction form
    2,109,335.04/2,910,859.20 = 1,142,441.28/x
  3. Step 3: Cross multiply
    2,109,335.04x = 2,910,859.20 × 1,142,441.28
  4. Step 4: Simplify right side
    2,109,335.04x = 3,325,485,710,347.78
  5. Step 5: Solve for x
    x = 3,325,485,710,347.78/2,109,335.04
  6. Step 6: Final answer
    x = 1,576,556.43

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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.