Home / 2,663,317.40-3,675,378.14-1,439,618.91

Finding the Fourth Proportional to 2,663,317.40, 3,675,378.14 and 1,439,618.91

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Solution

The fourth proportional to 2,663,317.40, 3,675,378.14 and 1,439,618.91 is: 1,986,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,317.40 : 3,675,378.14 = 1,439,618.91 : x
  2. Step 2: Convert to fraction form
    2,663,317.40/3,675,378.14 = 1,439,618.91/x
  3. Step 3: Cross multiply
    2,663,317.40x = 3,675,378.14 × 1,439,618.91
  4. Step 4: Simplify right side
    2,663,317.40x = 5,291,143,856,162.44
  5. Step 5: Solve for x
    x = 5,291,143,856,162.44/2,663,317.40
  6. Step 6: Final answer
    x = 1,986,674.16

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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.