Home / 1,998,045.36-2,755,462.25-1,309,466.39

Finding the Fourth Proportional to 1,998,045.36, 2,755,462.25 and 1,309,466.39

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Solution

The fourth proportional to 1,998,045.36, 2,755,462.25 and 1,309,466.39 is: 1,805,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,045.36 : 2,755,462.25 = 1,309,466.39 : x
  2. Step 2: Convert to fraction form
    1,998,045.36/2,755,462.25 = 1,309,466.39/x
  3. Step 3: Cross multiply
    1,998,045.36x = 2,755,462.25 × 1,309,466.39
  4. Step 4: Simplify right side
    1,998,045.36x = 3,608,185,194,785.13
  5. Step 5: Solve for x
    x = 3,608,185,194,785.13/1,998,045.36
  6. Step 6: Final answer
    x = 1,805,857.50

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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.