Home / 1,940,843.88-2,678,328.90-1,081,385.64

Finding the Fourth Proportional to 1,940,843.88, 2,678,328.90 and 1,081,385.64

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Solution

The fourth proportional to 1,940,843.88, 2,678,328.90 and 1,081,385.64 is: 1,492,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,843.88 : 2,678,328.90 = 1,081,385.64 : x
  2. Step 2: Convert to fraction form
    1,940,843.88/2,678,328.90 = 1,081,385.64/x
  3. Step 3: Cross multiply
    1,940,843.88x = 2,678,328.90 × 1,081,385.64
  4. Step 4: Simplify right side
    1,940,843.88x = 2,896,306,411,657.00
  5. Step 5: Solve for x
    x = 2,896,306,411,657.00/1,940,843.88
  6. Step 6: Final answer
    x = 1,492,292.32

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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.