Home / 1,961,557.72-2,707,176.44-1,145,965.28

Finding the Fourth Proportional to 1,961,557.72, 2,707,176.44 and 1,145,965.28

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Solution

The fourth proportional to 1,961,557.72, 2,707,176.44 and 1,145,965.28 is: 1,581,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,557.72 : 2,707,176.44 = 1,145,965.28 : x
  2. Step 2: Convert to fraction form
    1,961,557.72/2,707,176.44 = 1,145,965.28/x
  3. Step 3: Cross multiply
    1,961,557.72x = 2,707,176.44 × 1,145,965.28
  4. Step 4: Simplify right side
    1,961,557.72x = 3,102,330,196,403.03
  5. Step 5: Solve for x
    x = 3,102,330,196,403.03/1,961,557.72
  6. Step 6: Final answer
    x = 1,581,564.57

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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.