Home / 1,977,542.72-2,966,589.80-611,427.95

Finding the Fourth Proportional to 1,977,542.72, 2,966,589.80 and 611,427.95

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Solution

The fourth proportional to 1,977,542.72, 2,966,589.80 and 611,427.95 is: 917,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,542.72 : 2,966,589.80 = 611,427.95 : x
  2. Step 2: Convert to fraction form
    1,977,542.72/2,966,589.80 = 611,427.95/x
  3. Step 3: Cross multiply
    1,977,542.72x = 2,966,589.80 × 611,427.95
  4. Step 4: Simplify right side
    1,977,542.72x = 1,813,855,919,904.91
  5. Step 5: Solve for x
    x = 1,813,855,919,904.91/1,977,542.72
  6. Step 6: Final answer
    x = 917,227.17

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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.