Home / 1,831,261.68-2,526,833.17-1,220,326.56

Finding the Fourth Proportional to 1,831,261.68, 2,526,833.17 and 1,220,326.56

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Solution

The fourth proportional to 1,831,261.68, 2,526,833.17 and 1,220,326.56 is: 1,683,845.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,261.68 : 2,526,833.17 = 1,220,326.56 : x
  2. Step 2: Convert to fraction form
    1,831,261.68/2,526,833.17 = 1,220,326.56/x
  3. Step 3: Cross multiply
    1,831,261.68x = 2,526,833.17 × 1,220,326.56
  4. Step 4: Simplify right side
    1,831,261.68x = 3,083,561,630,040.00
  5. Step 5: Solve for x
    x = 3,083,561,630,040.00/1,831,261.68
  6. Step 6: Final answer
    x = 1,683,845.44

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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.