Home / 2,887,764.21-3,985,161.60-1,580,994.20

Finding the Fourth Proportional to 2,887,764.21, 3,985,161.60 and 1,580,994.20

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Solution

The fourth proportional to 2,887,764.21, 3,985,161.60 and 1,580,994.20 is: 2,181,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,764.21 : 3,985,161.60 = 1,580,994.20 : x
  2. Step 2: Convert to fraction form
    2,887,764.21/3,985,161.60 = 1,580,994.20/x
  3. Step 3: Cross multiply
    2,887,764.21x = 3,985,161.60 × 1,580,994.20
  4. Step 4: Simplify right side
    2,887,764.21x = 6,300,517,355,736.91
  5. Step 5: Solve for x
    x = 6,300,517,355,736.91/2,887,764.21
  6. Step 6: Final answer
    x = 2,181,797.72

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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.