Home / 1,454,981.19-2,178,745.32-1,214,497.17

Finding the Fourth Proportional to 1,454,981.19, 2,178,745.32 and 1,214,497.17

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Solution

The fourth proportional to 1,454,981.19, 2,178,745.32 and 1,214,497.17 is: 1,818,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,981.19 : 2,178,745.32 = 1,214,497.17 : x
  2. Step 2: Convert to fraction form
    1,454,981.19/2,178,745.32 = 1,214,497.17/x
  3. Step 3: Cross multiply
    1,454,981.19x = 2,178,745.32 × 1,214,497.17
  4. Step 4: Simplify right side
    1,454,981.19x = 2,646,080,025,290.74
  5. Step 5: Solve for x
    x = 2,646,080,025,290.74/1,454,981.19
  6. Step 6: Final answer
    x = 1,818,635.21

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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.