Home / 1,917,683.91-2,646,856.64-1,102,360.59

Finding the Fourth Proportional to 1,917,683.91, 2,646,856.64 and 1,102,360.59

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Solution

The fourth proportional to 1,917,683.91, 2,646,856.64 and 1,102,360.59 is: 1,521,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,683.91 : 2,646,856.64 = 1,102,360.59 : x
  2. Step 2: Convert to fraction form
    1,917,683.91/2,646,856.64 = 1,102,360.59/x
  3. Step 3: Cross multiply
    1,917,683.91x = 2,646,856.64 × 1,102,360.59
  4. Step 4: Simplify right side
    1,917,683.91x = 2,917,790,450,071.72
  5. Step 5: Solve for x
    x = 2,917,790,450,071.72/1,917,683.91
  6. Step 6: Final answer
    x = 1,521,517.93

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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.