Home / 2,941,423.80-4,412,139.12-919,678.44

Finding the Fourth Proportional to 2,941,423.80, 4,412,139.12 and 919,678.44

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Solution

The fourth proportional to 2,941,423.80, 4,412,139.12 and 919,678.44 is: 1,379,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941,423.80 : 4,412,139.12 = 919,678.44 : x
  2. Step 2: Convert to fraction form
    2,941,423.80/4,412,139.12 = 919,678.44/x
  3. Step 3: Cross multiply
    2,941,423.80x = 4,412,139.12 × 919,678.44
  4. Step 4: Simplify right side
    2,941,423.80x = 4,057,749,222,944.57
  5. Step 5: Solve for x
    x = 4,057,749,222,944.57/2,941,423.80
  6. Step 6: Final answer
    x = 1,379,518.73

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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.