Home / 1,977,413-2,729,121.14-1,252,328.14

Finding the Fourth Proportional to 1,977,413, 2,729,121.14 and 1,252,328.14

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Solution

The fourth proportional to 1,977,413, 2,729,121.14 and 1,252,328.14 is: 1,728,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,413 : 2,729,121.14 = 1,252,328.14 : x
  2. Step 2: Convert to fraction form
    1,977,413/2,729,121.14 = 1,252,328.14/x
  3. Step 3: Cross multiply
    1,977,413x = 2,729,121.14 × 1,252,328.14
  4. Step 4: Simplify right side
    1,977,413x = 3,417,755,181,183.63
  5. Step 5: Solve for x
    x = 3,417,755,181,183.63/1,977,413
  6. Step 6: Final answer
    x = 1,728,397.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.