Home / 5,278,743.96-7,282,973.78-2,955,295

Finding the Fourth Proportional to 5,278,743.96, 7,282,973.78 and 2,955,295

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Solution

The fourth proportional to 5,278,743.96, 7,282,973.78 and 2,955,295 is: 4,077,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,743.96 : 7,282,973.78 = 2,955,295 : x
  2. Step 2: Convert to fraction form
    5,278,743.96/7,282,973.78 = 2,955,295/x
  3. Step 3: Cross multiply
    5,278,743.96x = 7,282,973.78 × 2,955,295
  4. Step 4: Simplify right side
    5,278,743.96x = 21,523,335,997,165.10
  5. Step 5: Solve for x
    x = 21,523,335,997,165.10/5,278,743.96
  6. Step 6: Final answer
    x = 4,077,359.34

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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.