Home / 2,130,419.52-2,939,933.39-1,163,553.71

Finding the Fourth Proportional to 2,130,419.52, 2,939,933.39 and 1,163,553.71

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Solution

The fourth proportional to 2,130,419.52, 2,939,933.39 and 1,163,553.71 is: 1,605,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,419.52 : 2,939,933.39 = 1,163,553.71 : x
  2. Step 2: Convert to fraction form
    2,130,419.52/2,939,933.39 = 1,163,553.71/x
  3. Step 3: Cross multiply
    2,130,419.52x = 2,939,933.39 × 1,163,553.71
  4. Step 4: Simplify right side
    2,130,419.52x = 3,420,770,382,569.94
  5. Step 5: Solve for x
    x = 3,420,770,382,569.94/2,130,419.52
  6. Step 6: Final answer
    x = 1,605,679.23

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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.