Home / 1,938,029.93-2,674,481.30-1,078,793.17

Finding the Fourth Proportional to 1,938,029.93, 2,674,481.30 and 1,078,793.17

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Solution

The fourth proportional to 1,938,029.93, 2,674,481.30 and 1,078,793.17 is: 1,488,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,029.93 : 2,674,481.30 = 1,078,793.17 : x
  2. Step 2: Convert to fraction form
    1,938,029.93/2,674,481.30 = 1,078,793.17/x
  3. Step 3: Cross multiply
    1,938,029.93x = 2,674,481.30 × 1,078,793.17
  4. Step 4: Simplify right side
    1,938,029.93x = 2,885,212,159,732.72
  5. Step 5: Solve for x
    x = 2,885,212,159,732.72/1,938,029.93
  6. Step 6: Final answer
    x = 1,488,734.57

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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.