Home / 1,807,819.42-2,494,945.76-992,180.78

Finding the Fourth Proportional to 1,807,819.42, 2,494,945.76 and 992,180.78

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Solution

The fourth proportional to 1,807,819.42, 2,494,945.76 and 992,180.78 is: 1,369,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,819.42 : 2,494,945.76 = 992,180.78 : x
  2. Step 2: Convert to fraction form
    1,807,819.42/2,494,945.76 = 992,180.78/x
  3. Step 3: Cross multiply
    1,807,819.42x = 2,494,945.76 × 992,180.78
  4. Step 4: Simplify right side
    1,807,819.42x = 2,475,437,230,214.49
  5. Step 5: Solve for x
    x = 2,475,437,230,214.49/1,807,819.42
  6. Step 6: Final answer
    x = 1,369,294.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.