Home / 3,981,097.60-5,971,646.40-1,321,705.60

Finding the Fourth Proportional to 3,981,097.60, 5,971,646.40 and 1,321,705.60

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Solution

The fourth proportional to 3,981,097.60, 5,971,646.40 and 1,321,705.60 is: 1,982,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,097.60 : 5,971,646.40 = 1,321,705.60 : x
  2. Step 2: Convert to fraction form
    3,981,097.60/5,971,646.40 = 1,321,705.60/x
  3. Step 3: Cross multiply
    3,981,097.60x = 5,971,646.40 × 1,321,705.60
  4. Step 4: Simplify right side
    3,981,097.60x = 7,892,758,488,099.84
  5. Step 5: Solve for x
    x = 7,892,758,488,099.84/3,981,097.60
  6. Step 6: Final answer
    x = 1,982,558.40

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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.