Home / 1,585,866.83-2,187,963.54-1,013,242.19

Finding the Fourth Proportional to 1,585,866.83, 2,187,963.54 and 1,013,242.19

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Solution

The fourth proportional to 1,585,866.83, 2,187,963.54 and 1,013,242.19 is: 1,397,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,866.83 : 2,187,963.54 = 1,013,242.19 : x
  2. Step 2: Convert to fraction form
    1,585,866.83/2,187,963.54 = 1,013,242.19/x
  3. Step 3: Cross multiply
    1,585,866.83x = 2,187,963.54 × 1,013,242.19
  4. Step 4: Simplify right side
    1,585,866.83x = 2,216,936,957,969.94
  5. Step 5: Solve for x
    x = 2,216,936,957,969.94/1,585,866.83
  6. Step 6: Final answer
    x = 1,397,933.88

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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.