Home / 2,516,305.60-3,771,310.72-1,981,715.32

Finding the Fourth Proportional to 2,516,305.60, 3,771,310.72 and 1,981,715.32

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Solution

The fourth proportional to 2,516,305.60, 3,771,310.72 and 1,981,715.32 is: 2,970,094.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516,305.60 : 3,771,310.72 = 1,981,715.32 : x
  2. Step 2: Convert to fraction form
    2,516,305.60/3,771,310.72 = 1,981,715.32/x
  3. Step 3: Cross multiply
    2,516,305.60x = 3,771,310.72 × 1,981,715.32
  4. Step 4: Simplify right side
    2,516,305.60x = 7,473,664,230,304.23
  5. Step 5: Solve for x
    x = 7,473,664,230,304.23/2,516,305.60
  6. Step 6: Final answer
    x = 2,970,094.03

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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.