Home / 2,315,168.47-3,195,296.81-1,321,738.77

Finding the Fourth Proportional to 2,315,168.47, 3,195,296.81 and 1,321,738.77

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Solution

The fourth proportional to 2,315,168.47, 3,195,296.81 and 1,321,738.77 is: 1,824,207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,168.47 : 3,195,296.81 = 1,321,738.77 : x
  2. Step 2: Convert to fraction form
    2,315,168.47/3,195,296.81 = 1,321,738.77/x
  3. Step 3: Cross multiply
    2,315,168.47x = 3,195,296.81 × 1,321,738.77
  4. Step 4: Simplify right side
    2,315,168.47x = 4,223,347,675,434.32
  5. Step 5: Solve for x
    x = 4,223,347,675,434.32/2,315,168.47
  6. Step 6: Final answer
    x = 1,824,207.50

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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.