Home / 2,142,133.39-2,956,144.07-1,224,382.23

Finding the Fourth Proportional to 2,142,133.39, 2,956,144.07 and 1,224,382.23

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Solution

The fourth proportional to 2,142,133.39, 2,956,144.07 and 1,224,382.23 is: 1,689,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,133.39 : 2,956,144.07 = 1,224,382.23 : x
  2. Step 2: Convert to fraction form
    2,142,133.39/2,956,144.07 = 1,224,382.23/x
  3. Step 3: Cross multiply
    2,142,133.39x = 2,956,144.07 × 1,224,382.23
  4. Step 4: Simplify right side
    2,142,133.39x = 3,619,450,262,505.97
  5. Step 5: Solve for x
    x = 3,619,450,262,505.97/2,142,133.39
  6. Step 6: Final answer
    x = 1,689,647.47

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1.5x scale

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.