Home / 1,540,703.33-2,126,168.98-861,639.83

Finding the Fourth Proportional to 1,540,703.33, 2,126,168.98 and 861,639.83

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Solution

The fourth proportional to 1,540,703.33, 2,126,168.98 and 861,639.83 is: 1,189,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,703.33 : 2,126,168.98 = 861,639.83 : x
  2. Step 2: Convert to fraction form
    1,540,703.33/2,126,168.98 = 861,639.83/x
  3. Step 3: Cross multiply
    1,540,703.33x = 2,126,168.98 × 861,639.83
  4. Step 4: Simplify right side
    1,540,703.33x = 1,831,991,867,847.63
  5. Step 5: Solve for x
    x = 1,831,991,867,847.63/1,540,703.33
  6. Step 6: Final answer
    x = 1,189,062.06

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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.