Home / 3,172,602.81-4,378,197.32-1,814,475.81

Finding the Fourth Proportional to 3,172,602.81, 4,378,197.32 and 1,814,475.81

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Solution

The fourth proportional to 3,172,602.81, 4,378,197.32 and 1,814,475.81 is: 2,503,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,602.81 : 4,378,197.32 = 1,814,475.81 : x
  2. Step 2: Convert to fraction form
    3,172,602.81/4,378,197.32 = 1,814,475.81/x
  3. Step 3: Cross multiply
    3,172,602.81x = 4,378,197.32 × 1,814,475.81
  4. Step 4: Simplify right side
    3,172,602.81x = 7,944,133,142,696.97
  5. Step 5: Solve for x
    x = 7,944,133,142,696.97/3,172,602.81
  6. Step 6: Final answer
    x = 2,503,979.73

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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.