Home / 3,997,920.12-5,517,260.16-2,187,084.12

Finding the Fourth Proportional to 3,997,920.12, 5,517,260.16 and 2,187,084.12

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Solution

The fourth proportional to 3,997,920.12, 5,517,260.16 and 2,187,084.12 is: 3,018,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,920.12 : 5,517,260.16 = 2,187,084.12 : x
  2. Step 2: Convert to fraction form
    3,997,920.12/5,517,260.16 = 2,187,084.12/x
  3. Step 3: Cross multiply
    3,997,920.12x = 5,517,260.16 × 2,187,084.12
  4. Step 4: Simplify right side
    3,997,920.12x = 12,066,712,081,844.66
  5. Step 5: Solve for x
    x = 12,066,712,081,844.66/3,997,920.12
  6. Step 6: Final answer
    x = 3,018,247.42

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1.5x scale

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.