Home / 1,908,808.38-2,634,205.86-1,049,390.28

Finding the Fourth Proportional to 1,908,808.38, 2,634,205.86 and 1,049,390.28

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Solution

The fourth proportional to 1,908,808.38, 2,634,205.86 and 1,049,390.28 is: 1,448,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,808.38 : 2,634,205.86 = 1,049,390.28 : x
  2. Step 2: Convert to fraction form
    1,908,808.38/2,634,205.86 = 1,049,390.28/x
  3. Step 3: Cross multiply
    1,908,808.38x = 2,634,205.86 × 1,049,390.28
  4. Step 4: Simplify right side
    1,908,808.38x = 2,764,310,025,003.04
  5. Step 5: Solve for x
    x = 2,764,310,025,003.04/1,908,808.38
  6. Step 6: Final answer
    x = 1,448,186.24

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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.