Home / 3,525,376.78-5,288,190.50-1,128,910.02

Finding the Fourth Proportional to 3,525,376.78, 5,288,190.50 and 1,128,910.02

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Solution

The fourth proportional to 3,525,376.78, 5,288,190.50 and 1,128,910.02 is: 1,693,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525,376.78 : 5,288,190.50 = 1,128,910.02 : x
  2. Step 2: Convert to fraction form
    3,525,376.78/5,288,190.50 = 1,128,910.02/x
  3. Step 3: Cross multiply
    3,525,376.78x = 5,288,190.50 × 1,128,910.02
  4. Step 4: Simplify right side
    3,525,376.78x = 5,969,891,243,118.81
  5. Step 5: Solve for x
    x = 5,969,891,243,118.81/3,525,376.78
  6. Step 6: Final answer
    x = 1,693,405.16

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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.