Home / 2,012,643.20-3,020,617.20-1,996,896.80

Finding the Fourth Proportional to 2,012,643.20, 3,020,617.20 and 1,996,896.80

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Solution

The fourth proportional to 2,012,643.20, 3,020,617.20 and 1,996,896.80 is: 2,996,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,643.20 : 3,020,617.20 = 1,996,896.80 : x
  2. Step 2: Convert to fraction form
    2,012,643.20/3,020,617.20 = 1,996,896.80/x
  3. Step 3: Cross multiply
    2,012,643.20x = 3,020,617.20 × 1,996,896.80
  4. Step 4: Simplify right side
    2,012,643.20x = 6,031,860,820,704.96
  5. Step 5: Solve for x
    x = 6,031,860,820,704.96/2,012,643.20
  6. Step 6: Final answer
    x = 2,996,984.67

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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.