Home / 2,961,870-4,087,383.52-1,603,739.76

Finding the Fourth Proportional to 2,961,870, 4,087,383.52 and 1,603,739.76

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Solution

The fourth proportional to 2,961,870, 4,087,383.52 and 1,603,739.76 is: 2,213,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,870 : 4,087,383.52 = 1,603,739.76 : x
  2. Step 2: Convert to fraction form
    2,961,870/4,087,383.52 = 1,603,739.76/x
  3. Step 3: Cross multiply
    2,961,870x = 4,087,383.52 × 1,603,739.76
  4. Step 4: Simplify right side
    2,961,870x = 6,555,099,465,392.76
  5. Step 5: Solve for x
    x = 6,555,099,465,392.76/2,961,870
  6. Step 6: Final answer
    x = 2,213,162.45

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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.