Home / 1,938,868.96-2,908,304.18-1,936,067.21

Finding the Fourth Proportional to 1,938,868.96, 2,908,304.18 and 1,936,067.21

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Solution

The fourth proportional to 1,938,868.96, 2,908,304.18 and 1,936,067.21 is: 2,904,101.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,868.96 : 2,908,304.18 = 1,936,067.21 : x
  2. Step 2: Convert to fraction form
    1,938,868.96/2,908,304.18 = 1,936,067.21/x
  3. Step 3: Cross multiply
    1,938,868.96x = 2,908,304.18 × 1,936,067.21
  4. Step 4: Simplify right side
    1,938,868.96x = 5,630,672,359,603.94
  5. Step 5: Solve for x
    x = 5,630,672,359,603.94/1,938,868.96
  6. Step 6: Final answer
    x = 2,904,101.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.