Home / 1,945,126.68-2,681,061.66-1,300,311.60

Finding the Fourth Proportional to 1,945,126.68, 2,681,061.66 and 1,300,311.60

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Solution

The fourth proportional to 1,945,126.68, 2,681,061.66 and 1,300,311.60 is: 1,792,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,126.68 : 2,681,061.66 = 1,300,311.60 : x
  2. Step 2: Convert to fraction form
    1,945,126.68/2,681,061.66 = 1,300,311.60/x
  3. Step 3: Cross multiply
    1,945,126.68x = 2,681,061.66 × 1,300,311.60
  4. Step 4: Simplify right side
    1,945,126.68x = 3,486,215,576,813.26
  5. Step 5: Solve for x
    x = 3,486,215,576,813.26/1,945,126.68
  6. Step 6: Final answer
    x = 1,792,282.02

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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.