Home / 2,104,556.77-3,156,947.85-665,130.68

Finding the Fourth Proportional to 2,104,556.77, 3,156,947.85 and 665,130.68

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Solution

The fourth proportional to 2,104,556.77, 3,156,947.85 and 665,130.68 is: 997,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104,556.77 : 3,156,947.85 = 665,130.68 : x
  2. Step 2: Convert to fraction form
    2,104,556.77/3,156,947.85 = 665,130.68/x
  3. Step 3: Cross multiply
    2,104,556.77x = 3,156,947.85 × 665,130.68
  4. Step 4: Simplify right side
    2,104,556.77x = 2,099,782,851,084.65
  5. Step 5: Solve for x
    x = 2,099,782,851,084.65/2,104,556.77
  6. Step 6: Final answer
    x = 997,731.63

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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.