Home / 2,878,077.38-4,316,363.85-855,776.66

Finding the Fourth Proportional to 2,878,077.38, 4,316,363.85 and 855,776.66

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Solution

The fourth proportional to 2,878,077.38, 4,316,363.85 and 855,776.66 is: 1,283,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,077.38 : 4,316,363.85 = 855,776.66 : x
  2. Step 2: Convert to fraction form
    2,878,077.38/4,316,363.85 = 855,776.66/x
  3. Step 3: Cross multiply
    2,878,077.38x = 4,316,363.85 × 855,776.66
  4. Step 4: Simplify right side
    2,878,077.38x = 3,693,843,438,897.74
  5. Step 5: Solve for x
    x = 3,693,843,438,897.74/2,878,077.38
  6. Step 6: Final answer
    x = 1,283,441.32

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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.