Home / 2,141,851.38-3,212,724.36-522,631.51

Finding the Fourth Proportional to 2,141,851.38, 3,212,724.36 and 522,631.51

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Solution

The fourth proportional to 2,141,851.38, 3,212,724.36 and 522,631.51 is: 783,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,851.38 : 3,212,724.36 = 522,631.51 : x
  2. Step 2: Convert to fraction form
    2,141,851.38/3,212,724.36 = 522,631.51/x
  3. Step 3: Cross multiply
    2,141,851.38x = 3,212,724.36 × 522,631.51
  4. Step 4: Simplify right side
    2,141,851.38x = 1,679,070,983,480.58
  5. Step 5: Solve for x
    x = 1,679,070,983,480.58/2,141,851.38
  6. Step 6: Final answer
    x = 783,934.40

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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.