Home / 3,525,393.56-5,288,215.64-1,128,926.80

Finding the Fourth Proportional to 3,525,393.56, 5,288,215.64 and 1,128,926.80

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Solution

The fourth proportional to 3,525,393.56, 5,288,215.64 and 1,128,926.80 is: 1,693,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525,393.56 : 5,288,215.64 = 1,128,926.80 : x
  2. Step 2: Convert to fraction form
    3,525,393.56/5,288,215.64 = 1,128,926.80/x
  3. Step 3: Cross multiply
    3,525,393.56x = 5,288,215.64 × 1,128,926.80
  4. Step 4: Simplify right side
    3,525,393.56x = 5,970,008,360,175.15
  5. Step 5: Solve for x
    x = 5,970,008,360,175.15/3,525,393.56
  6. Step 6: Final answer
    x = 1,693,430.32

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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.