Home / 2,116,440.36-2,920,711.37-1,245,467.61

Finding the Fourth Proportional to 2,116,440.36, 2,920,711.37 and 1,245,467.61

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Solution

The fourth proportional to 2,116,440.36, 2,920,711.37 and 1,245,467.61 is: 1,718,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,440.36 : 2,920,711.37 = 1,245,467.61 : x
  2. Step 2: Convert to fraction form
    2,116,440.36/2,920,711.37 = 1,245,467.61/x
  3. Step 3: Cross multiply
    2,116,440.36x = 2,920,711.37 × 1,245,467.61
  4. Step 4: Simplify right side
    2,116,440.36x = 3,637,651,403,266.39
  5. Step 5: Solve for x
    x = 3,637,651,403,266.39/2,116,440.36
  6. Step 6: Final answer
    x = 1,718,759.23

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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.