Home / 1,962,739.65-2,939,385.42-1,329,734.37

Finding the Fourth Proportional to 1,962,739.65, 2,939,385.42 and 1,329,734.37

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Solution

The fourth proportional to 1,962,739.65, 2,939,385.42 and 1,329,734.37 is: 1,991,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,739.65 : 2,939,385.42 = 1,329,734.37 : x
  2. Step 2: Convert to fraction form
    1,962,739.65/2,939,385.42 = 1,329,734.37/x
  3. Step 3: Cross multiply
    1,962,739.65x = 2,939,385.42 × 1,329,734.37
  4. Step 4: Simplify right side
    1,962,739.65x = 3,908,601,819,650.89
  5. Step 5: Solve for x
    x = 3,908,601,819,650.89/1,962,739.65
  6. Step 6: Final answer
    x = 1,991,401.06

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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.