Home / 2,951,703.12-4,427,476.88-821,934.48

Finding the Fourth Proportional to 2,951,703.12, 4,427,476.88 and 821,934.48

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Solution

The fourth proportional to 2,951,703.12, 4,427,476.88 and 821,934.48 is: 1,232,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951,703.12 : 4,427,476.88 = 821,934.48 : x
  2. Step 2: Convert to fraction form
    2,951,703.12/4,427,476.88 = 821,934.48/x
  3. Step 3: Cross multiply
    2,951,703.12x = 4,427,476.88 × 821,934.48
  4. Step 4: Simplify right side
    2,951,703.12x = 3,639,095,907,074.82
  5. Step 5: Solve for x
    x = 3,639,095,907,074.82/2,951,703.12
  6. Step 6: Final answer
    x = 1,232,880.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.