Home / 2,986,807.68-4,121,787.06-1,628,680.68

Finding the Fourth Proportional to 2,986,807.68, 4,121,787.06 and 1,628,680.68

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Solution

The fourth proportional to 2,986,807.68, 4,121,787.06 and 1,628,680.68 is: 2,247,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,807.68 : 4,121,787.06 = 1,628,680.68 : x
  2. Step 2: Convert to fraction form
    2,986,807.68/4,121,787.06 = 1,628,680.68/x
  3. Step 3: Cross multiply
    2,986,807.68x = 4,121,787.06 × 1,628,680.68
  4. Step 4: Simplify right side
    2,986,807.68x = 6,713,074,951,696.00
  5. Step 5: Solve for x
    x = 6,713,074,951,696.00/2,986,807.68
  6. Step 6: Final answer
    x = 2,247,575.23

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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.