Home / 1,907,198.29-2,634,264.89-1,425,902.77

Finding the Fourth Proportional to 1,907,198.29, 2,634,264.89 and 1,425,902.77

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Solution

The fourth proportional to 1,907,198.29, 2,634,264.89 and 1,425,902.77 is: 1,969,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,198.29 : 2,634,264.89 = 1,425,902.77 : x
  2. Step 2: Convert to fraction form
    1,907,198.29/2,634,264.89 = 1,425,902.77/x
  3. Step 3: Cross multiply
    1,907,198.29x = 2,634,264.89 × 1,425,902.77
  4. Step 4: Simplify right side
    1,907,198.29x = 3,756,205,603,564.75
  5. Step 5: Solve for x
    x = 3,756,205,603,564.75/1,907,198.29
  6. Step 6: Final answer
    x = 1,969,488.76

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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.