Home / 1,871,129.25-2,581,670.40-1,096,343.82

Finding the Fourth Proportional to 1,871,129.25, 2,581,670.40 and 1,096,343.82

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Solution

The fourth proportional to 1,871,129.25, 2,581,670.40 and 1,096,343.82 is: 1,512,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,129.25 : 2,581,670.40 = 1,096,343.82 : x
  2. Step 2: Convert to fraction form
    1,871,129.25/2,581,670.40 = 1,096,343.82/x
  3. Step 3: Cross multiply
    1,871,129.25x = 2,581,670.40 × 1,096,343.82
  4. Step 4: Simplify right side
    1,871,129.25x = 2,830,398,388,316.93
  5. Step 5: Solve for x
    x = 2,830,398,388,316.93/1,871,129.25
  6. Step 6: Final answer
    x = 1,512,668.56

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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.