Home / 1,977,540.72-2,966,586.80-611,425.95

Finding the Fourth Proportional to 1,977,540.72, 2,966,586.80 and 611,425.95

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Solution

The fourth proportional to 1,977,540.72, 2,966,586.80 and 611,425.95 is: 917,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,540.72 : 2,966,586.80 = 611,425.95 : x
  2. Step 2: Convert to fraction form
    1,977,540.72/2,966,586.80 = 611,425.95/x
  3. Step 3: Cross multiply
    1,977,540.72x = 2,966,586.80 × 611,425.95
  4. Step 4: Simplify right side
    1,977,540.72x = 1,813,848,149,390.33
  5. Step 5: Solve for x
    x = 1,813,848,149,390.33/1,977,540.72
  6. Step 6: Final answer
    x = 917,224.17

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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.