Home / 1,916,315.82-2,643,848-1,228,366.94

Finding the Fourth Proportional to 1,916,315.82, 2,643,848 and 1,228,366.94

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Solution

The fourth proportional to 1,916,315.82, 2,643,848 and 1,228,366.94 is: 1,694,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,315.82 : 2,643,848 = 1,228,366.94 : x
  2. Step 2: Convert to fraction form
    1,916,315.82/2,643,848 = 1,228,366.94/x
  3. Step 3: Cross multiply
    1,916,315.82x = 2,643,848 × 1,228,366.94
  4. Step 4: Simplify right side
    1,916,315.82x = 3,247,615,477,585.12
  5. Step 5: Solve for x
    x = 3,247,615,477,585.12/1,916,315.82
  6. Step 6: Final answer
    x = 1,694,718.29

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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.