Home / 1,881,906.78-2,822,915.49-461,962.80

Finding the Fourth Proportional to 1,881,906.78, 2,822,915.49 and 461,962.80

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Solution

The fourth proportional to 1,881,906.78, 2,822,915.49 and 461,962.80 is: 692,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,906.78 : 2,822,915.49 = 461,962.80 : x
  2. Step 2: Convert to fraction form
    1,881,906.78/2,822,915.49 = 461,962.80/x
  3. Step 3: Cross multiply
    1,881,906.78x = 2,822,915.49 × 461,962.80
  4. Step 4: Simplify right side
    1,881,906.78x = 1,304,081,943,923.77
  5. Step 5: Solve for x
    x = 1,304,081,943,923.77/1,881,906.78
  6. Step 6: Final answer
    x = 692,957.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.