Home / 1,975,019.73-2,725,748.90-1,115,635.37

Finding the Fourth Proportional to 1,975,019.73, 2,725,748.90 and 1,115,635.37

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Solution

The fourth proportional to 1,975,019.73, 2,725,748.90 and 1,115,635.37 is: 1,539,702.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,019.73 : 2,725,748.90 = 1,115,635.37 : x
  2. Step 2: Convert to fraction form
    1,975,019.73/2,725,748.90 = 1,115,635.37/x
  3. Step 3: Cross multiply
    1,975,019.73x = 2,725,748.90 × 1,115,635.37
  4. Step 4: Simplify right side
    1,975,019.73x = 3,040,941,863,371.67
  5. Step 5: Solve for x
    x = 3,040,941,863,371.67/1,975,019.73
  6. Step 6: Final answer
    x = 1,539,702.02

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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.