Home / 1,964,531.82-2,710,811.43-1,239,105.54

Finding the Fourth Proportional to 1,964,531.82, 2,710,811.43 and 1,239,105.54

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Solution

The fourth proportional to 1,964,531.82, 2,710,811.43 and 1,239,105.54 is: 1,709,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,531.82 : 2,710,811.43 = 1,239,105.54 : x
  2. Step 2: Convert to fraction form
    1,964,531.82/2,710,811.43 = 1,239,105.54/x
  3. Step 3: Cross multiply
    1,964,531.82x = 2,710,811.43 × 1,239,105.54
  4. Step 4: Simplify right side
    1,964,531.82x = 3,358,981,460,808.32
  5. Step 5: Solve for x
    x = 3,358,981,460,808.32/1,964,531.82
  6. Step 6: Final answer
    x = 1,709,812.70

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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.