Home / 2,109,133.36-2,910,587.60-1,142,241.28

Finding the Fourth Proportional to 2,109,133.36, 2,910,587.60 and 1,142,241.28

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Solution

The fourth proportional to 2,109,133.36, 2,910,587.60 and 1,142,241.28 is: 1,576,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,133.36 : 2,910,587.60 = 1,142,241.28 : x
  2. Step 2: Convert to fraction form
    2,109,133.36/2,910,587.60 = 1,142,241.28/x
  3. Step 3: Cross multiply
    2,109,133.36x = 2,910,587.60 × 1,142,241.28
  4. Step 4: Simplify right side
    2,109,133.36x = 3,324,593,305,776.13
  5. Step 5: Solve for x
    x = 3,324,593,305,776.13/2,109,133.36
  6. Step 6: Final answer
    x = 1,576,284.06

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1.5x scale

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.