Home / 1,905,137-2,629,122.99-1,045,777.22

Finding the Fourth Proportional to 1,905,137, 2,629,122.99 and 1,045,777.22

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Solution

The fourth proportional to 1,905,137, 2,629,122.99 and 1,045,777.22 is: 1,443,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,137 : 2,629,122.99 = 1,045,777.22 : x
  2. Step 2: Convert to fraction form
    1,905,137/2,629,122.99 = 1,045,777.22/x
  3. Step 3: Cross multiply
    1,905,137x = 2,629,122.99 × 1,045,777.22
  4. Step 4: Simplify right side
    1,905,137x = 2,749,476,931,520.29
  5. Step 5: Solve for x
    x = 2,749,476,931,520.29/1,905,137
  6. Step 6: Final answer
    x = 1,443,191.19

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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.