Home / 2,076,741.52-3,115,441.64-878,672.81

Finding the Fourth Proportional to 2,076,741.52, 3,115,441.64 and 878,672.81

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Solution

The fourth proportional to 2,076,741.52, 3,115,441.64 and 878,672.81 is: 1,318,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,741.52 : 3,115,441.64 = 878,672.81 : x
  2. Step 2: Convert to fraction form
    2,076,741.52/3,115,441.64 = 878,672.81/x
  3. Step 3: Cross multiply
    2,076,741.52x = 3,115,441.64 × 878,672.81
  4. Step 4: Simplify right side
    2,076,741.52x = 2,737,453,870,195.09
  5. Step 5: Solve for x
    x = 2,737,453,870,195.09/2,076,741.52
  6. Step 6: Final answer
    x = 1,318,148.57

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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.