Home / 2,617,853.76-3,926,866.50-724,436.64

Finding the Fourth Proportional to 2,617,853.76, 3,926,866.50 and 724,436.64

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Solution

The fourth proportional to 2,617,853.76, 3,926,866.50 and 724,436.64 is: 1,086,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,853.76 : 3,926,866.50 = 724,436.64 : x
  2. Step 2: Convert to fraction form
    2,617,853.76/3,926,866.50 = 724,436.64/x
  3. Step 3: Cross multiply
    2,617,853.76x = 3,926,866.50 × 724,436.64
  4. Step 4: Simplify right side
    2,617,853.76x = 2,844,765,972,988.56
  5. Step 5: Solve for x
    x = 2,844,765,972,988.56/2,617,853.76
  6. Step 6: Final answer
    x = 1,086,678.72

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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.