Home / 1,807,212.84-2,493,986.56-991,458.20

Finding the Fourth Proportional to 1,807,212.84, 2,493,986.56 and 991,458.20

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Solution

The fourth proportional to 1,807,212.84, 2,493,986.56 and 991,458.20 is: 1,368,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,212.84 : 2,493,986.56 = 991,458.20 : x
  2. Step 2: Convert to fraction form
    1,807,212.84/2,493,986.56 = 991,458.20/x
  3. Step 3: Cross multiply
    1,807,212.84x = 2,493,986.56 × 991,458.20
  4. Step 4: Simplify right side
    1,807,212.84x = 2,472,683,425,601.79
  5. Step 5: Solve for x
    x = 2,472,683,425,601.79/1,807,212.84
  6. Step 6: Final answer
    x = 1,368,230.33

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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.