Home / 1,616,215.75-2,230,477.94-891,062.15

Finding the Fourth Proportional to 1,616,215.75, 2,230,477.94 and 891,062.15

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Solution

The fourth proportional to 1,616,215.75, 2,230,477.94 and 891,062.15 is: 1,229,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,215.75 : 2,230,477.94 = 891,062.15 : x
  2. Step 2: Convert to fraction form
    1,616,215.75/2,230,477.94 = 891,062.15/x
  3. Step 3: Cross multiply
    1,616,215.75x = 2,230,477.94 × 891,062.15
  4. Step 4: Simplify right side
    1,616,215.75x = 1,987,494,459,819.24
  5. Step 5: Solve for x
    x = 1,987,494,459,819.24/1,616,215.75
  6. Step 6: Final answer
    x = 1,229,721.01

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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.