Home / 2,922,000.40-4,383,000.60-1,914,230.80

Finding the Fourth Proportional to 2,922,000.40, 4,383,000.60 and 1,914,230.80

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Solution

The fourth proportional to 2,922,000.40, 4,383,000.60 and 1,914,230.80 is: 2,871,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922,000.40 : 4,383,000.60 = 1,914,230.80 : x
  2. Step 2: Convert to fraction form
    2,922,000.40/4,383,000.60 = 1,914,230.80/x
  3. Step 3: Cross multiply
    2,922,000.40x = 4,383,000.60 × 1,914,230.80
  4. Step 4: Simplify right side
    2,922,000.40x = 8,390,074,744,938.48
  5. Step 5: Solve for x
    x = 8,390,074,744,938.48/2,922,000.40
  6. Step 6: Final answer
    x = 2,871,346.20

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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.