Home / 5,151,406.56-7,109,680.32-3,086,503.68

Finding the Fourth Proportional to 5,151,406.56, 7,109,680.32 and 3,086,503.68

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Solution

The fourth proportional to 5,151,406.56, 7,109,680.32 and 3,086,503.68 is: 4,259,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,406.56 : 7,109,680.32 = 3,086,503.68 : x
  2. Step 2: Convert to fraction form
    5,151,406.56/7,109,680.32 = 3,086,503.68/x
  3. Step 3: Cross multiply
    5,151,406.56x = 7,109,680.32 × 3,086,503.68
  4. Step 4: Simplify right side
    5,151,406.56x = 21,944,054,471,303.58
  5. Step 5: Solve for x
    x = 21,944,054,471,303.58/5,151,406.56
  6. Step 6: Final answer
    x = 4,259,818.02

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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.