Home / 1,958,201.20-2,935,280.94-821,623.60

Finding the Fourth Proportional to 1,958,201.20, 2,935,280.94 and 821,623.60

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Solution

The fourth proportional to 1,958,201.20, 2,935,280.94 and 821,623.60 is: 1,231,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,201.20 : 2,935,280.94 = 821,623.60 : x
  2. Step 2: Convert to fraction form
    1,958,201.20/2,935,280.94 = 821,623.60/x
  3. Step 3: Cross multiply
    1,958,201.20x = 2,935,280.94 × 821,623.60
  4. Step 4: Simplify right side
    1,958,201.20x = 2,411,696,092,934.18
  5. Step 5: Solve for x
    x = 2,411,696,092,934.18/1,958,201.20
  6. Step 6: Final answer
    x = 1,231,587.49

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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.