Home / 2,971,105.72-4,100,114.46-1,612,978.36

Finding the Fourth Proportional to 2,971,105.72, 4,100,114.46 and 1,612,978.36

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Solution

The fourth proportional to 2,971,105.72, 4,100,114.46 and 1,612,978.36 is: 2,225,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,105.72 : 4,100,114.46 = 1,612,978.36 : x
  2. Step 2: Convert to fraction form
    2,971,105.72/4,100,114.46 = 1,612,978.36/x
  3. Step 3: Cross multiply
    2,971,105.72x = 4,100,114.46 × 1,612,978.36
  4. Step 4: Simplify right side
    2,971,105.72x = 6,613,395,897,503.09
  5. Step 5: Solve for x
    x = 6,613,395,897,503.09/2,971,105.72
  6. Step 6: Final answer
    x = 2,225,903.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.