Home / 1,813,619.70-2,726,334.45-1,284,803.10

Finding the Fourth Proportional to 1,813,619.70, 2,726,334.45 and 1,284,803.10

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Solution

The fourth proportional to 1,813,619.70, 2,726,334.45 and 1,284,803.10 is: 1,931,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,619.70 : 2,726,334.45 = 1,284,803.10 : x
  2. Step 2: Convert to fraction form
    1,813,619.70/2,726,334.45 = 1,284,803.10/x
  3. Step 3: Cross multiply
    1,813,619.70x = 2,726,334.45 × 1,284,803.10
  4. Step 4: Simplify right side
    1,813,619.70x = 3,502,802,952,996.80
  5. Step 5: Solve for x
    x = 3,502,802,952,996.80/1,813,619.70
  6. Step 6: Final answer
    x = 1,931,387.79

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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.