Home / 2,099,764.80-3,143,742.30-1,887,188.40

Finding the Fourth Proportional to 2,099,764.80, 3,143,742.30 and 1,887,188.40

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Solution

The fourth proportional to 2,099,764.80, 3,143,742.30 and 1,887,188.40 is: 2,825,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,764.80 : 3,143,742.30 = 1,887,188.40 : x
  2. Step 2: Convert to fraction form
    2,099,764.80/3,143,742.30 = 1,887,188.40/x
  3. Step 3: Cross multiply
    2,099,764.80x = 3,143,742.30 × 1,887,188.40
  4. Step 4: Simplify right side
    2,099,764.80x = 5,932,834,001,149.32
  5. Step 5: Solve for x
    x = 5,932,834,001,149.32/2,099,764.80
  6. Step 6: Final answer
    x = 2,825,475.50

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1.5x scale

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.