Home / 1,813,851.81-2,718,535.50-915,549.71

Finding the Fourth Proportional to 1,813,851.81, 2,718,535.50 and 915,549.71

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Solution

The fourth proportional to 1,813,851.81, 2,718,535.50 and 915,549.71 is: 1,372,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,851.81 : 2,718,535.50 = 915,549.71 : x
  2. Step 2: Convert to fraction form
    1,813,851.81/2,718,535.50 = 915,549.71/x
  3. Step 3: Cross multiply
    1,813,851.81x = 2,718,535.50 × 915,549.71
  4. Step 4: Simplify right side
    1,813,851.81x = 2,488,954,375,057.03
  5. Step 5: Solve for x
    x = 2,488,954,375,057.03/1,813,851.81
  6. Step 6: Final answer
    x = 1,372,192.79

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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.