Home / 6,721,321.32-9,275,058.63-3,820,309.56

Finding the Fourth Proportional to 6,721,321.32, 9,275,058.63 and 3,820,309.56

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Solution

The fourth proportional to 6,721,321.32, 9,275,058.63 and 3,820,309.56 is: 5,271,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,321.32 : 9,275,058.63 = 3,820,309.56 : x
  2. Step 2: Convert to fraction form
    6,721,321.32/9,275,058.63 = 3,820,309.56/x
  3. Step 3: Cross multiply
    6,721,321.32x = 9,275,058.63 × 3,820,309.56
  4. Step 4: Simplify right side
    6,721,321.32x = 35,433,595,153,749.51
  5. Step 5: Solve for x
    x = 35,433,595,153,749.51/6,721,321.32
  6. Step 6: Final answer
    x = 5,271,819.85

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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.