Home / 2,892,131.79-4,338,213.09-870,361.86

Finding the Fourth Proportional to 2,892,131.79, 4,338,213.09 and 870,361.86

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Solution

The fourth proportional to 2,892,131.79, 4,338,213.09 and 870,361.86 is: 1,305,547.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,131.79 : 4,338,213.09 = 870,361.86 : x
  2. Step 2: Convert to fraction form
    2,892,131.79/4,338,213.09 = 870,361.86/x
  3. Step 3: Cross multiply
    2,892,131.79x = 4,338,213.09 × 870,361.86
  4. Step 4: Simplify right side
    2,892,131.79x = 3,775,815,214,088.75
  5. Step 5: Solve for x
    x = 3,775,815,214,088.75/2,892,131.79
  6. Step 6: Final answer
    x = 1,305,547.43

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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.