Home / 2,716,911.32-3,749,258.54-1,555,318.38

Finding the Fourth Proportional to 2,716,911.32, 3,749,258.54 and 1,555,318.38

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Solution

The fourth proportional to 2,716,911.32, 3,749,258.54 and 1,555,318.38 is: 2,146,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716,911.32 : 3,749,258.54 = 1,555,318.38 : x
  2. Step 2: Convert to fraction form
    2,716,911.32/3,749,258.54 = 1,555,318.38/x
  3. Step 3: Cross multiply
    2,716,911.32x = 3,749,258.54 × 1,555,318.38
  4. Step 4: Simplify right side
    2,716,911.32x = 5,831,290,718,633.97
  5. Step 5: Solve for x
    x = 5,831,290,718,633.97/2,716,911.32
  6. Step 6: Final answer
    x = 2,146,294.09

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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.