Home / 1,746,859.49-2,411,612.31-1,225,172.21

Finding the Fourth Proportional to 1,746,859.49, 2,411,612.31 and 1,225,172.21

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Solution

The fourth proportional to 1,746,859.49, 2,411,612.31 and 1,225,172.21 is: 1,691,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746,859.49 : 2,411,612.31 = 1,225,172.21 : x
  2. Step 2: Convert to fraction form
    1,746,859.49/2,411,612.31 = 1,225,172.21/x
  3. Step 3: Cross multiply
    1,746,859.49x = 2,411,612.31 × 1,225,172.21
  4. Step 4: Simplify right side
    1,746,859.49x = 2,954,640,383,505.91
  5. Step 5: Solve for x
    x = 2,954,640,383,505.91/1,746,859.49
  6. Step 6: Final answer
    x = 1,691,401.28

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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.