Home / 3,803,319.21-5,706,851.78-1,781,213.89

Finding the Fourth Proportional to 3,803,319.21, 5,706,851.78 and 1,781,213.89

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Solution

The fourth proportional to 3,803,319.21, 5,706,851.78 and 1,781,213.89 is: 2,672,697.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803,319.21 : 5,706,851.78 = 1,781,213.89 : x
  2. Step 2: Convert to fraction form
    3,803,319.21/5,706,851.78 = 1,781,213.89/x
  3. Step 3: Cross multiply
    3,803,319.21x = 5,706,851.78 × 1,781,213.89
  4. Step 4: Simplify right side
    3,803,319.21x = 10,165,123,621,266.90
  5. Step 5: Solve for x
    x = 10,165,123,621,266.90/3,803,319.21
  6. Step 6: Final answer
    x = 2,672,697.99

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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.