Home / 1,938,611.82-2,675,331.21-1,079,230.17

Finding the Fourth Proportional to 1,938,611.82, 2,675,331.21 and 1,079,230.17

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Solution

The fourth proportional to 1,938,611.82, 2,675,331.21 and 1,079,230.17 is: 1,489,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,611.82 : 2,675,331.21 = 1,079,230.17 : x
  2. Step 2: Convert to fraction form
    1,938,611.82/2,675,331.21 = 1,079,230.17/x
  3. Step 3: Cross multiply
    1,938,611.82x = 2,675,331.21 × 1,079,230.17
  4. Step 4: Simplify right side
    1,938,611.82x = 2,887,298,156,574.61
  5. Step 5: Solve for x
    x = 2,887,298,156,574.61/1,938,611.82
  6. Step 6: Final answer
    x = 1,489,363.74

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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.