Home / 1,986,012.70-2,740,616.82-1,126,554.50

Finding the Fourth Proportional to 1,986,012.70, 2,740,616.82 and 1,126,554.50

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Solution

The fourth proportional to 1,986,012.70, 2,740,616.82 and 1,126,554.50 is: 1,554,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,012.70 : 2,740,616.82 = 1,126,554.50 : x
  2. Step 2: Convert to fraction form
    1,986,012.70/2,740,616.82 = 1,126,554.50/x
  3. Step 3: Cross multiply
    1,986,012.70x = 2,740,616.82 × 1,126,554.50
  4. Step 4: Simplify right side
    1,986,012.70x = 3,087,454,211,346.69
  5. Step 5: Solve for x
    x = 3,087,454,211,346.69/1,986,012.70
  6. Step 6: Final answer
    x = 1,554,599.43

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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.