Home / 1,939,725.60-2,909,408.88-914,820.87

Finding the Fourth Proportional to 1,939,725.60, 2,909,408.88 and 914,820.87

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Solution

The fourth proportional to 1,939,725.60, 2,909,408.88 and 914,820.87 is: 1,372,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,725.60 : 2,909,408.88 = 914,820.87 : x
  2. Step 2: Convert to fraction form
    1,939,725.60/2,909,408.88 = 914,820.87/x
  3. Step 3: Cross multiply
    1,939,725.60x = 2,909,408.88 × 914,820.87
  4. Step 4: Simplify right side
    1,939,725.60x = 2,661,587,962,787.33
  5. Step 5: Solve for x
    x = 2,661,587,962,787.33/1,939,725.60
  6. Step 6: Final answer
    x = 1,372,146.64

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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.