Home / 3,126,105.46-4,688,502.08-881,718.58

Finding the Fourth Proportional to 3,126,105.46, 4,688,502.08 and 881,718.58

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Solution

The fourth proportional to 3,126,105.46, 4,688,502.08 and 881,718.58 is: 1,322,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,105.46 : 4,688,502.08 = 881,718.58 : x
  2. Step 2: Convert to fraction form
    3,126,105.46/4,688,502.08 = 881,718.58/x
  3. Step 3: Cross multiply
    3,126,105.46x = 4,688,502.08 × 881,718.58
  4. Step 4: Simplify right side
    3,126,105.46x = 4,133,939,380,174.80
  5. Step 5: Solve for x
    x = 4,133,939,380,174.80/3,126,105.46
  6. Step 6: Final answer
    x = 1,322,392.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.