Home / 3,177,387.51-4,763,402.64-1,378,916.26

Finding the Fourth Proportional to 3,177,387.51, 4,763,402.64 and 1,378,916.26

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Solution

The fourth proportional to 3,177,387.51, 4,763,402.64 and 1,378,916.26 is: 2,067,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,387.51 : 4,763,402.64 = 1,378,916.26 : x
  2. Step 2: Convert to fraction form
    3,177,387.51/4,763,402.64 = 1,378,916.26/x
  3. Step 3: Cross multiply
    3,177,387.51x = 4,763,402.64 × 1,378,916.26
  4. Step 4: Simplify right side
    3,177,387.51x = 6,568,333,341,314.42
  5. Step 5: Solve for x
    x = 6,568,333,341,314.42/3,177,387.51
  6. Step 6: Final answer
    x = 2,067,211.92

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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.