Home / 2,808,130.43-4,212,527.79-914,871.87

Finding the Fourth Proportional to 2,808,130.43, 4,212,527.79 and 914,871.87

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Solution

The fourth proportional to 2,808,130.43, 4,212,527.79 and 914,871.87 is: 1,372,416.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,130.43 : 4,212,527.79 = 914,871.87 : x
  2. Step 2: Convert to fraction form
    2,808,130.43/4,212,527.79 = 914,871.87/x
  3. Step 3: Cross multiply
    2,808,130.43x = 4,212,527.79 × 914,871.87
  4. Step 4: Simplify right side
    2,808,130.43x = 3,853,923,176,664.27
  5. Step 5: Solve for x
    x = 3,853,923,176,664.27/2,808,130.43
  6. Step 6: Final answer
    x = 1,372,416.02

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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.