Home / 2,087,607.66-2,880,849.67-1,228,223.17

Finding the Fourth Proportional to 2,087,607.66, 2,880,849.67 and 1,228,223.17

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Solution

The fourth proportional to 2,087,607.66, 2,880,849.67 and 1,228,223.17 is: 1,694,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,607.66 : 2,880,849.67 = 1,228,223.17 : x
  2. Step 2: Convert to fraction form
    2,087,607.66/2,880,849.67 = 1,228,223.17/x
  3. Step 3: Cross multiply
    2,087,607.66x = 2,880,849.67 × 1,228,223.17
  4. Step 4: Simplify right side
    2,087,607.66x = 3,538,326,313,980.85
  5. Step 5: Solve for x
    x = 3,538,326,313,980.85/2,087,607.66
  6. Step 6: Final answer
    x = 1,694,919.20

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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.