Home / 1,851,874.02-2,556,459.90-1,393,163.69

Finding the Fourth Proportional to 1,851,874.02, 2,556,459.90 and 1,393,163.69

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Solution

The fourth proportional to 1,851,874.02, 2,556,459.90 and 1,393,163.69 is: 1,923,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,874.02 : 2,556,459.90 = 1,393,163.69 : x
  2. Step 2: Convert to fraction form
    1,851,874.02/2,556,459.90 = 1,393,163.69/x
  3. Step 3: Cross multiply
    1,851,874.02x = 2,556,459.90 × 1,393,163.69
  4. Step 4: Simplify right side
    1,851,874.02x = 3,561,567,094,838.73
  5. Step 5: Solve for x
    x = 3,561,567,094,838.73/1,851,874.02
  6. Step 6: Final answer
    x = 1,923,223.21

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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.