Home / 7,320,878.40-10,981,317.60-2,002,094.40

Finding the Fourth Proportional to 7,320,878.40, 10,981,317.60 and 2,002,094.40

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Solution

The fourth proportional to 7,320,878.40, 10,981,317.60 and 2,002,094.40 is: 3,003,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320,878.40 : 10,981,317.60 = 2,002,094.40 : x
  2. Step 2: Convert to fraction form
    7,320,878.40/10,981,317.60 = 2,002,094.40/x
  3. Step 3: Cross multiply
    7,320,878.40x = 10,981,317.60 × 2,002,094.40
  4. Step 4: Simplify right side
    7,320,878.40x = 21,985,634,471,581.44
  5. Step 5: Solve for x
    x = 21,985,634,471,581.44/7,320,878.40
  6. Step 6: Final answer
    x = 3,003,141.60

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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.