Home / 3,122,729.37-4,307,704.30-1,899,409.05

Finding the Fourth Proportional to 3,122,729.37, 4,307,704.30 and 1,899,409.05

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Solution

The fourth proportional to 3,122,729.37, 4,307,704.30 and 1,899,409.05 is: 2,620,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,729.37 : 4,307,704.30 = 1,899,409.05 : x
  2. Step 2: Convert to fraction form
    3,122,729.37/4,307,704.30 = 1,899,409.05/x
  3. Step 3: Cross multiply
    3,122,729.37x = 4,307,704.30 × 1,899,409.05
  4. Step 4: Simplify right side
    3,122,729.37x = 8,182,092,534,518.18
  5. Step 5: Solve for x
    x = 8,182,092,534,518.18/3,122,729.37
  6. Step 6: Final answer
    x = 2,620,173.43

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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.