Home / 3,005,093.71-4,509,120.42-1,407,380.86

Finding the Fourth Proportional to 3,005,093.71, 4,509,120.42 and 1,407,380.86

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Solution

The fourth proportional to 3,005,093.71, 4,509,120.42 and 1,407,380.86 is: 2,111,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,093.71 : 4,509,120.42 = 1,407,380.86 : x
  2. Step 2: Convert to fraction form
    3,005,093.71/4,509,120.42 = 1,407,380.86/x
  3. Step 3: Cross multiply
    3,005,093.71x = 4,509,120.42 × 1,407,380.86
  4. Step 4: Simplify right side
    3,005,093.71x = 6,346,049,774,543.16
  5. Step 5: Solve for x
    x = 6,346,049,774,543.16/3,005,093.71
  6. Step 6: Final answer
    x = 2,111,764.35

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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.