Home / 1,962,791.10-2,944,186.65-1,290,944.70

Finding the Fourth Proportional to 1,962,791.10, 2,944,186.65 and 1,290,944.70

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Solution

The fourth proportional to 1,962,791.10, 2,944,186.65 and 1,290,944.70 is: 1,936,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,791.10 : 2,944,186.65 = 1,290,944.70 : x
  2. Step 2: Convert to fraction form
    1,962,791.10/2,944,186.65 = 1,290,944.70/x
  3. Step 3: Cross multiply
    1,962,791.10x = 2,944,186.65 × 1,290,944.70
  4. Step 4: Simplify right side
    1,962,791.10x = 3,800,782,151,628.26
  5. Step 5: Solve for x
    x = 3,800,782,151,628.26/1,962,791.10
  6. Step 6: Final answer
    x = 1,936,417.05

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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.