Home / 2,171,250.40-3,256,875.60-1,373,432.80

Finding the Fourth Proportional to 2,171,250.40, 3,256,875.60 and 1,373,432.80

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Solution

The fourth proportional to 2,171,250.40, 3,256,875.60 and 1,373,432.80 is: 2,060,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,250.40 : 3,256,875.60 = 1,373,432.80 : x
  2. Step 2: Convert to fraction form
    2,171,250.40/3,256,875.60 = 1,373,432.80/x
  3. Step 3: Cross multiply
    2,171,250.40x = 3,256,875.60 × 1,373,432.80
  4. Step 4: Simplify right side
    2,171,250.40x = 4,473,099,774,559.68
  5. Step 5: Solve for x
    x = 4,473,099,774,559.68/2,171,250.40
  6. Step 6: Final answer
    x = 2,060,149.20

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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.