Home / 2,878,072.88-4,316,357.10-855,772.16

Finding the Fourth Proportional to 2,878,072.88, 4,316,357.10 and 855,772.16

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Solution

The fourth proportional to 2,878,072.88, 4,316,357.10 and 855,772.16 is: 1,283,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,072.88 : 4,316,357.10 = 855,772.16 : x
  2. Step 2: Convert to fraction form
    2,878,072.88/4,316,357.10 = 855,772.16/x
  3. Step 3: Cross multiply
    2,878,072.88x = 4,316,357.10 × 855,772.16
  4. Step 4: Simplify right side
    2,878,072.88x = 3,693,818,238,798.34
  5. Step 5: Solve for x
    x = 3,693,818,238,798.34/2,878,072.88
  6. Step 6: Final answer
    x = 1,283,434.57

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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.