Home / 2,167,118.73-2,987,787.87-1,864,446.17

Finding the Fourth Proportional to 2,167,118.73, 2,987,787.87 and 1,864,446.17

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Solution

The fourth proportional to 2,167,118.73, 2,987,787.87 and 1,864,446.17 is: 2,570,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,118.73 : 2,987,787.87 = 1,864,446.17 : x
  2. Step 2: Convert to fraction form
    2,167,118.73/2,987,787.87 = 1,864,446.17/x
  3. Step 3: Cross multiply
    2,167,118.73x = 2,987,787.87 × 1,864,446.17
  4. Step 4: Simplify right side
    2,167,118.73x = 5,570,569,636,055.02
  5. Step 5: Solve for x
    x = 5,570,569,636,055.02/2,167,118.73
  6. Step 6: Final answer
    x = 2,570,495.82

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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.