Home / 2,129,019.40-2,937,940.50-1,162,190.44

Finding the Fourth Proportional to 2,129,019.40, 2,937,940.50 and 1,162,190.44

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Solution

The fourth proportional to 2,129,019.40, 2,937,940.50 and 1,162,190.44 is: 1,603,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,019.40 : 2,937,940.50 = 1,162,190.44 : x
  2. Step 2: Convert to fraction form
    2,129,019.40/2,937,940.50 = 1,162,190.44/x
  3. Step 3: Cross multiply
    2,129,019.40x = 2,937,940.50 × 1,162,190.44
  4. Step 4: Simplify right side
    2,129,019.40x = 3,414,446,362,388.82
  5. Step 5: Solve for x
    x = 3,414,446,362,388.82/2,129,019.40
  6. Step 6: Final answer
    x = 1,603,764.80

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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.