Home / 2,120,405.88-2,927,243.82-1,635,883.32

Finding the Fourth Proportional to 2,120,405.88, 2,927,243.82 and 1,635,883.32

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Solution

The fourth proportional to 2,120,405.88, 2,927,243.82 and 1,635,883.32 is: 2,258,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,405.88 : 2,927,243.82 = 1,635,883.32 : x
  2. Step 2: Convert to fraction form
    2,120,405.88/2,927,243.82 = 1,635,883.32/x
  3. Step 3: Cross multiply
    2,120,405.88x = 2,927,243.82 × 1,635,883.32
  4. Step 4: Simplify right side
    2,120,405.88x = 4,788,629,338,711.08
  5. Step 5: Solve for x
    x = 4,788,629,338,711.08/2,120,405.88
  6. Step 6: Final answer
    x = 2,258,355.06

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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.