Home / 2,125,071.89-2,932,513.67-1,158,181.37

Finding the Fourth Proportional to 2,125,071.89, 2,932,513.67 and 1,158,181.37

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Solution

The fourth proportional to 2,125,071.89, 2,932,513.67 and 1,158,181.37 is: 1,598,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,071.89 : 2,932,513.67 = 1,158,181.37 : x
  2. Step 2: Convert to fraction form
    2,125,071.89/2,932,513.67 = 1,158,181.37/x
  3. Step 3: Cross multiply
    2,125,071.89x = 2,932,513.67 × 1,158,181.37
  4. Step 4: Simplify right side
    2,125,071.89x = 3,396,382,694,073.42
  5. Step 5: Solve for x
    x = 3,396,382,694,073.42/2,125,071.89
  6. Step 6: Final answer
    x = 1,598,243.67

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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.