Home / 2,087,569.85-2,880,797.58-1,228,185.42

Finding the Fourth Proportional to 2,087,569.85, 2,880,797.58 and 1,228,185.42

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Solution

The fourth proportional to 2,087,569.85, 2,880,797.58 and 1,228,185.42 is: 1,694,867.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,569.85 : 2,880,797.58 = 1,228,185.42 : x
  2. Step 2: Convert to fraction form
    2,087,569.85/2,880,797.58 = 1,228,185.42/x
  3. Step 3: Cross multiply
    2,087,569.85x = 2,880,797.58 × 1,228,185.42
  4. Step 4: Simplify right side
    2,087,569.85x = 3,538,153,585,727.28
  5. Step 5: Solve for x
    x = 3,538,153,585,727.28/2,087,569.85
  6. Step 6: Final answer
    x = 1,694,867.17

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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.