Home / 1,938,243.26-2,674,728.06-1,067,070.72

Finding the Fourth Proportional to 1,938,243.26, 2,674,728.06 and 1,067,070.72

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Solution

The fourth proportional to 1,938,243.26, 2,674,728.06 and 1,067,070.72 is: 1,472,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,243.26 : 2,674,728.06 = 1,067,070.72 : x
  2. Step 2: Convert to fraction form
    1,938,243.26/2,674,728.06 = 1,067,070.72/x
  3. Step 3: Cross multiply
    1,938,243.26x = 2,674,728.06 × 1,067,070.72
  4. Step 4: Simplify right side
    1,938,243.26x = 2,854,123,996,788.40
  5. Step 5: Solve for x
    x = 2,854,123,996,788.40/1,938,243.26
  6. Step 6: Final answer
    x = 1,472,531.37

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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.