Home / 5,302,042.78-7,316,370.12-2,978,753.26

Finding the Fourth Proportional to 5,302,042.78, 7,316,370.12 and 2,978,753.26

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Solution

The fourth proportional to 5,302,042.78, 7,316,370.12 and 2,978,753.26 is: 4,110,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302,042.78 : 7,316,370.12 = 2,978,753.26 : x
  2. Step 2: Convert to fraction form
    5,302,042.78/7,316,370.12 = 2,978,753.26/x
  3. Step 3: Cross multiply
    5,302,042.78x = 7,316,370.12 × 2,978,753.26
  4. Step 4: Simplify right side
    5,302,042.78x = 21,793,661,346,316.59
  5. Step 5: Solve for x
    x = 21,793,661,346,316.59/5,302,042.78
  6. Step 6: Final answer
    x = 4,110,427.29

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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.