Home / 1,832,021.20-2,748,031.80-1,377,343.90

Finding the Fourth Proportional to 1,832,021.20, 2,748,031.80 and 1,377,343.90

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Solution

The fourth proportional to 1,832,021.20, 2,748,031.80 and 1,377,343.90 is: 2,066,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832,021.20 : 2,748,031.80 = 1,377,343.90 : x
  2. Step 2: Convert to fraction form
    1,832,021.20/2,748,031.80 = 1,377,343.90/x
  3. Step 3: Cross multiply
    1,832,021.20x = 2,748,031.80 × 1,377,343.90
  4. Step 4: Simplify right side
    1,832,021.20x = 3,784,984,836,736.02
  5. Step 5: Solve for x
    x = 3,784,984,836,736.02/1,832,021.20
  6. Step 6: Final answer
    x = 2,066,015.85

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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.