Home / 1,638,223.26-2,260,686.44-949,924.16

Finding the Fourth Proportional to 1,638,223.26, 2,260,686.44 and 949,924.16

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Solution

The fourth proportional to 1,638,223.26, 2,260,686.44 and 949,924.16 is: 1,310,859.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,223.26 : 2,260,686.44 = 949,924.16 : x
  2. Step 2: Convert to fraction form
    1,638,223.26/2,260,686.44 = 949,924.16/x
  3. Step 3: Cross multiply
    1,638,223.26x = 2,260,686.44 × 949,924.16
  4. Step 4: Simplify right side
    1,638,223.26x = 2,147,480,668,442.49
  5. Step 5: Solve for x
    x = 2,147,480,668,442.49/1,638,223.26
  6. Step 6: Final answer
    x = 1,310,859.59

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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.