Home / 2,878,067.88-4,316,349.60-855,767.16

Finding the Fourth Proportional to 2,878,067.88, 4,316,349.60 and 855,767.16

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Solution

The fourth proportional to 2,878,067.88, 4,316,349.60 and 855,767.16 is: 1,283,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,067.88 : 4,316,349.60 = 855,767.16 : x
  2. Step 2: Convert to fraction form
    2,878,067.88/4,316,349.60 = 855,767.16/x
  3. Step 3: Cross multiply
    2,878,067.88x = 4,316,349.60 × 855,767.16
  4. Step 4: Simplify right side
    2,878,067.88x = 3,693,790,238,759.14
  5. Step 5: Solve for x
    x = 3,693,790,238,759.14/2,878,067.88
  6. Step 6: Final answer
    x = 1,283,427.07

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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.