Home / 5,202,042.88-7,178,656.98-2,878,795.58

Finding the Fourth Proportional to 5,202,042.88, 7,178,656.98 and 2,878,795.58

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Solution

The fourth proportional to 5,202,042.88, 7,178,656.98 and 2,878,795.58 is: 3,972,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202,042.88 : 7,178,656.98 = 2,878,795.58 : x
  2. Step 2: Convert to fraction form
    5,202,042.88/7,178,656.98 = 2,878,795.58/x
  3. Step 3: Cross multiply
    5,202,042.88x = 7,178,656.98 × 2,878,795.58
  4. Step 4: Simplify right side
    5,202,042.88x = 20,665,885,984,360.15
  5. Step 5: Solve for x
    x = 20,665,885,984,360.15/5,202,042.88
  6. Step 6: Final answer
    x = 3,972,648.14

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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.