Home / 2,638,118.84-3,957,246.38-719,045.78

Finding the Fourth Proportional to 2,638,118.84, 3,957,246.38 and 719,045.78

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Solution

The fourth proportional to 2,638,118.84, 3,957,246.38 and 719,045.78 is: 1,078,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,118.84 : 3,957,246.38 = 719,045.78 : x
  2. Step 2: Convert to fraction form
    2,638,118.84/3,957,246.38 = 719,045.78/x
  3. Step 3: Cross multiply
    2,638,118.84x = 3,957,246.38 × 719,045.78
  4. Step 4: Simplify right side
    2,638,118.84x = 2,845,441,291,970.66
  5. Step 5: Solve for x
    x = 2,845,441,291,970.66/2,638,118.84
  6. Step 6: Final answer
    x = 1,078,587.23

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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.