Home / 2,155,325.25-3,232,987.88-876,628.44

Finding the Fourth Proportional to 2,155,325.25, 3,232,987.88 and 876,628.44

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Solution

The fourth proportional to 2,155,325.25, 3,232,987.88 and 876,628.44 is: 1,314,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,325.25 : 3,232,987.88 = 876,628.44 : x
  2. Step 2: Convert to fraction form
    2,155,325.25/3,232,987.88 = 876,628.44/x
  3. Step 3: Cross multiply
    2,155,325.25x = 3,232,987.88 × 876,628.44
  4. Step 4: Simplify right side
    2,155,325.25x = 2,834,129,117,400.17
  5. Step 5: Solve for x
    x = 2,834,129,117,400.17/2,155,325.25
  6. Step 6: Final answer
    x = 1,314,942.66

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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.