Home / 3,790,143.36-5,230,400.16-2,071,263.84

Finding the Fourth Proportional to 3,790,143.36, 5,230,400.16 and 2,071,263.84

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Solution

The fourth proportional to 3,790,143.36, 5,230,400.16 and 2,071,263.84 is: 2,858,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790,143.36 : 5,230,400.16 = 2,071,263.84 : x
  2. Step 2: Convert to fraction form
    3,790,143.36/5,230,400.16 = 2,071,263.84/x
  3. Step 3: Cross multiply
    3,790,143.36x = 5,230,400.16 × 2,071,263.84
  4. Step 4: Simplify right side
    3,790,143.36x = 10,833,538,720,138.21
  5. Step 5: Solve for x
    x = 10,833,538,720,138.21/3,790,143.36
  6. Step 6: Final answer
    x = 2,858,345.37

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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.