Home / 2,889,186.96-3,987,741.60-1,922,358

Finding the Fourth Proportional to 2,889,186.96, 3,987,741.60 and 1,922,358

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Solution

The fourth proportional to 2,889,186.96, 3,987,741.60 and 1,922,358 is: 2,653,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,186.96 : 3,987,741.60 = 1,922,358 : x
  2. Step 2: Convert to fraction form
    2,889,186.96/3,987,741.60 = 1,922,358/x
  3. Step 3: Cross multiply
    2,889,186.96x = 3,987,741.60 × 1,922,358
  4. Step 4: Simplify right side
    2,889,186.96x = 7,665,866,966,692.80
  5. Step 5: Solve for x
    x = 7,665,866,966,692.80/2,889,186.96
  6. Step 6: Final answer
    x = 2,653,295.57

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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.