Home / 1,915,389.06-2,871,144.45-1,241,896.74

Finding the Fourth Proportional to 1,915,389.06, 2,871,144.45 and 1,241,896.74

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Solution

The fourth proportional to 1,915,389.06, 2,871,144.45 and 1,241,896.74 is: 1,861,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,389.06 : 2,871,144.45 = 1,241,896.74 : x
  2. Step 2: Convert to fraction form
    1,915,389.06/2,871,144.45 = 1,241,896.74/x
  3. Step 3: Cross multiply
    1,915,389.06x = 2,871,144.45 × 1,241,896.74
  4. Step 4: Simplify right side
    1,915,389.06x = 3,565,664,932,524.09
  5. Step 5: Solve for x
    x = 3,565,664,932,524.09/1,915,389.06
  6. Step 6: Final answer
    x = 1,861,587.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.