Home / 2,181,695.13-3,010,677.57-1,188,240.39

Finding the Fourth Proportional to 2,181,695.13, 3,010,677.57 and 1,188,240.39

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Solution

The fourth proportional to 2,181,695.13, 3,010,677.57 and 1,188,240.39 is: 1,639,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,695.13 : 3,010,677.57 = 1,188,240.39 : x
  2. Step 2: Convert to fraction form
    2,181,695.13/3,010,677.57 = 1,188,240.39/x
  3. Step 3: Cross multiply
    2,181,695.13x = 3,010,677.57 × 1,188,240.39
  4. Step 4: Simplify right side
    2,181,695.13x = 3,577,408,689,941.05
  5. Step 5: Solve for x
    x = 3,577,408,689,941.05/2,181,695.13
  6. Step 6: Final answer
    x = 1,639,738.13

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1.5x scale

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.