Home / 1,938,170.73-2,674,648.84-1,078,731.30

Finding the Fourth Proportional to 1,938,170.73, 2,674,648.84 and 1,078,731.30

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Solution

The fourth proportional to 1,938,170.73, 2,674,648.84 and 1,078,731.30 is: 1,488,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,170.73 : 2,674,648.84 = 1,078,731.30 : x
  2. Step 2: Convert to fraction form
    1,938,170.73/2,674,648.84 = 1,078,731.30/x
  3. Step 3: Cross multiply
    1,938,170.73x = 2,674,648.84 × 1,078,731.30
  4. Step 4: Simplify right side
    1,938,170.73x = 2,885,227,420,216.69
  5. Step 5: Solve for x
    x = 2,885,227,420,216.69/1,938,170.73
  6. Step 6: Final answer
    x = 1,488,634.30

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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.