Home / 3,113,161.49-4,296,269.31-1,806,314.86

Finding the Fourth Proportional to 3,113,161.49, 4,296,269.31 and 1,806,314.86

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Solution

The fourth proportional to 3,113,161.49, 4,296,269.31 and 1,806,314.86 is: 2,492,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,161.49 : 4,296,269.31 = 1,806,314.86 : x
  2. Step 2: Convert to fraction form
    3,113,161.49/4,296,269.31 = 1,806,314.86/x
  3. Step 3: Cross multiply
    3,113,161.49x = 4,296,269.31 × 1,806,314.86
  4. Step 4: Simplify right side
    3,113,161.49x = 7,760,415,093,888.87
  5. Step 5: Solve for x
    x = 7,760,415,093,888.87/3,113,161.49
  6. Step 6: Final answer
    x = 2,492,776.27

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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.