Home / 1,908,809.38-2,634,207.24-1,049,391.28

Finding the Fourth Proportional to 1,908,809.38, 2,634,207.24 and 1,049,391.28

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Solution

The fourth proportional to 1,908,809.38, 2,634,207.24 and 1,049,391.28 is: 1,448,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,809.38 : 2,634,207.24 = 1,049,391.28 : x
  2. Step 2: Convert to fraction form
    1,908,809.38/2,634,207.24 = 1,049,391.28/x
  3. Step 3: Cross multiply
    1,908,809.38x = 2,634,207.24 × 1,049,391.28
  4. Step 4: Simplify right side
    1,908,809.38x = 2,764,314,107,368.87
  5. Step 5: Solve for x
    x = 2,764,314,107,368.87/1,908,809.38
  6. Step 6: Final answer
    x = 1,448,187.62

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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.