Home / 7,109,781.60-10,664,672.40-1,790,997.60

Finding the Fourth Proportional to 7,109,781.60, 10,664,672.40 and 1,790,997.60

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Solution

The fourth proportional to 7,109,781.60, 10,664,672.40 and 1,790,997.60 is: 2,686,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109,781.60 : 10,664,672.40 = 1,790,997.60 : x
  2. Step 2: Convert to fraction form
    7,109,781.60/10,664,672.40 = 1,790,997.60/x
  3. Step 3: Cross multiply
    7,109,781.60x = 10,664,672.40 × 1,790,997.60
  4. Step 4: Simplify right side
    7,109,781.60x = 19,100,402,673,186.24
  5. Step 5: Solve for x
    x = 19,100,402,673,186.24/7,109,781.60
  6. Step 6: Final answer
    x = 2,686,496.40

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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.