Home / 2,193,831.54-3,026,941.65-1,378,168.02

Finding the Fourth Proportional to 2,193,831.54, 3,026,941.65 and 1,378,168.02

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Solution

The fourth proportional to 2,193,831.54, 3,026,941.65 and 1,378,168.02 is: 1,901,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,831.54 : 3,026,941.65 = 1,378,168.02 : x
  2. Step 2: Convert to fraction form
    2,193,831.54/3,026,941.65 = 1,378,168.02/x
  3. Step 3: Cross multiply
    2,193,831.54x = 3,026,941.65 × 1,378,168.02
  4. Step 4: Simplify right side
    2,193,831.54x = 4,171,634,180,436.03
  5. Step 5: Solve for x
    x = 4,171,634,180,436.03/2,193,831.54
  6. Step 6: Final answer
    x = 1,901,528.95

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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.