Home / 1,538,202.27-2,122,761.93-849,918.47

Finding the Fourth Proportional to 1,538,202.27, 2,122,761.93 and 849,918.47

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Solution

The fourth proportional to 1,538,202.27, 2,122,761.93 and 849,918.47 is: 1,172,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,202.27 : 2,122,761.93 = 849,918.47 : x
  2. Step 2: Convert to fraction form
    1,538,202.27/2,122,761.93 = 849,918.47/x
  3. Step 3: Cross multiply
    1,538,202.27x = 2,122,761.93 × 849,918.47
  4. Step 4: Simplify right side
    1,538,202.27x = 1,804,174,561,106.04
  5. Step 5: Solve for x
    x = 1,804,174,561,106.04/1,538,202.27
  6. Step 6: Final answer
    x = 1,172,911.13

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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.