Home / 3,361,914.90-4,639,084.80-1,891,797.78

Finding the Fourth Proportional to 3,361,914.90, 4,639,084.80 and 1,891,797.78

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Solution

The fourth proportional to 3,361,914.90, 4,639,084.80 and 1,891,797.78 is: 2,610,479.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361,914.90 : 4,639,084.80 = 1,891,797.78 : x
  2. Step 2: Convert to fraction form
    3,361,914.90/4,639,084.80 = 1,891,797.78/x
  3. Step 3: Cross multiply
    3,361,914.90x = 4,639,084.80 × 1,891,797.78
  4. Step 4: Simplify right side
    3,361,914.90x = 8,776,210,325,871.74
  5. Step 5: Solve for x
    x = 8,776,210,325,871.74/3,361,914.90
  6. Step 6: Final answer
    x = 2,610,479.62

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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.