Home / 2,810,465.38-3,878,967.64-1,603,241.38

Finding the Fourth Proportional to 2,810,465.38, 3,878,967.64 and 1,603,241.38

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Solution

The fourth proportional to 2,810,465.38, 3,878,967.64 and 1,603,241.38 is: 2,212,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,465.38 : 3,878,967.64 = 1,603,241.38 : x
  2. Step 2: Convert to fraction form
    2,810,465.38/3,878,967.64 = 1,603,241.38/x
  3. Step 3: Cross multiply
    2,810,465.38x = 3,878,967.64 × 1,603,241.38
  4. Step 4: Simplify right side
    2,810,465.38x = 6,218,921,432,128.94
  5. Step 5: Solve for x
    x = 6,218,921,432,128.94/2,810,465.38
  6. Step 6: Final answer
    x = 2,212,772.83

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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.