Home / 3,525,316.40-5,288,363.40-1,128,753.20

Finding the Fourth Proportional to 3,525,316.40, 5,288,363.40 and 1,128,753.20

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Solution

The fourth proportional to 3,525,316.40, 5,288,363.40 and 1,128,753.20 is: 1,693,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525,316.40 : 5,288,363.40 = 1,128,753.20 : x
  2. Step 2: Convert to fraction form
    3,525,316.40/5,288,363.40 = 1,128,753.20/x
  3. Step 3: Cross multiply
    3,525,316.40x = 5,288,363.40 × 1,128,753.20
  4. Step 4: Simplify right side
    3,525,316.40x = 5,969,257,110,512.88
  5. Step 5: Solve for x
    x = 5,969,257,110,512.88/3,525,316.40
  6. Step 6: Final answer
    x = 1,693,254.29

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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.