Home / 2,195,631.39-3,031,831.27-1,380,097.72

Finding the Fourth Proportional to 2,195,631.39, 3,031,831.27 and 1,380,097.72

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Solution

The fourth proportional to 2,195,631.39, 3,031,831.27 and 1,380,097.72 is: 1,905,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,631.39 : 3,031,831.27 = 1,380,097.72 : x
  2. Step 2: Convert to fraction form
    2,195,631.39/3,031,831.27 = 1,380,097.72/x
  3. Step 3: Cross multiply
    2,195,631.39x = 3,031,831.27 × 1,380,097.72
  4. Step 4: Simplify right side
    2,195,631.39x = 4,184,223,412,376.54
  5. Step 5: Solve for x
    x = 4,184,223,412,376.54/2,195,631.39
  6. Step 6: Final answer
    x = 1,905,703.95

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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.