Home / 3,628,996.86-5,008,015.41-1,975,155.84

Finding the Fourth Proportional to 3,628,996.86, 5,008,015.41 and 1,975,155.84

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Solution

The fourth proportional to 3,628,996.86, 5,008,015.41 and 1,975,155.84 is: 2,725,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628,996.86 : 5,008,015.41 = 1,975,155.84 : x
  2. Step 2: Convert to fraction form
    3,628,996.86/5,008,015.41 = 1,975,155.84/x
  3. Step 3: Cross multiply
    3,628,996.86x = 5,008,015.41 × 1,975,155.84
  4. Step 4: Simplify right side
    3,628,996.86x = 9,891,610,883,871.49
  5. Step 5: Solve for x
    x = 9,891,610,883,871.49/3,628,996.86
  6. Step 6: Final answer
    x = 2,725,714.92

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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.