Home / 1,872,418.38-2,808,787.66-657,889.44

Finding the Fourth Proportional to 1,872,418.38, 2,808,787.66 and 657,889.44

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Solution

The fourth proportional to 1,872,418.38, 2,808,787.66 and 657,889.44 is: 986,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,418.38 : 2,808,787.66 = 657,889.44 : x
  2. Step 2: Convert to fraction form
    1,872,418.38/2,808,787.66 = 657,889.44/x
  3. Step 3: Cross multiply
    1,872,418.38x = 2,808,787.66 × 657,889.44
  4. Step 4: Simplify right side
    1,872,418.38x = 1,847,871,740,716.31
  5. Step 5: Solve for x
    x = 1,847,871,740,716.31/1,872,418.38
  6. Step 6: Final answer
    x = 986,890.41

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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.