Home / 1,939,551.71-2,904,843.38-1,872,291.20

Finding the Fourth Proportional to 1,939,551.71, 2,904,843.38 and 1,872,291.20

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Solution

The fourth proportional to 1,939,551.71, 2,904,843.38 and 1,872,291.20 is: 2,804,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,551.71 : 2,904,843.38 = 1,872,291.20 : x
  2. Step 2: Convert to fraction form
    1,939,551.71/2,904,843.38 = 1,872,291.20/x
  3. Step 3: Cross multiply
    1,939,551.71x = 2,904,843.38 × 1,872,291.20
  4. Step 4: Simplify right side
    1,939,551.71x = 5,438,712,673,866.58
  5. Step 5: Solve for x
    x = 5,438,712,673,866.58/1,939,551.71
  6. Step 6: Final answer
    x = 2,804,108.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.