Home / 1,998,064.36-2,755,488.45-1,309,485.43

Finding the Fourth Proportional to 1,998,064.36, 2,755,488.45 and 1,309,485.43

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Solution

The fourth proportional to 1,998,064.36, 2,755,488.45 and 1,309,485.43 is: 1,805,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,064.36 : 2,755,488.45 = 1,309,485.43 : x
  2. Step 2: Convert to fraction form
    1,998,064.36/2,755,488.45 = 1,309,485.43/x
  3. Step 3: Cross multiply
    1,998,064.36x = 2,755,488.45 × 1,309,485.43
  4. Step 4: Simplify right side
    1,998,064.36x = 3,608,271,977,808.28
  5. Step 5: Solve for x
    x = 3,608,271,977,808.28/1,998,064.36
  6. Step 6: Final answer
    x = 1,805,883.76

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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.