Home / 1,540,701.04-2,126,165.83-861,637.54

Finding the Fourth Proportional to 1,540,701.04, 2,126,165.83 and 861,637.54

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Solution

The fourth proportional to 1,540,701.04, 2,126,165.83 and 861,637.54 is: 1,189,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,701.04 : 2,126,165.83 = 861,637.54 : x
  2. Step 2: Convert to fraction form
    1,540,701.04/2,126,165.83 = 861,637.54/x
  3. Step 3: Cross multiply
    1,540,701.04x = 2,126,165.83 × 861,637.54
  4. Step 4: Simplify right side
    1,540,701.04x = 1,831,984,300,743.58
  5. Step 5: Solve for x
    x = 1,831,984,300,743.58/1,540,701.04
  6. Step 6: Final answer
    x = 1,189,058.91

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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.