Home / 3,615,016.40-5,420,969.40-1,817,205.20

Finding the Fourth Proportional to 3,615,016.40, 5,420,969.40 and 1,817,205.20

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Solution

The fourth proportional to 3,615,016.40, 5,420,969.40 and 1,817,205.20 is: 2,725,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,016.40 : 5,420,969.40 = 1,817,205.20 : x
  2. Step 2: Convert to fraction form
    3,615,016.40/5,420,969.40 = 1,817,205.20/x
  3. Step 3: Cross multiply
    3,615,016.40x = 5,420,969.40 × 1,817,205.20
  4. Step 4: Simplify right side
    3,615,016.40x = 9,851,013,782,720.88
  5. Step 5: Solve for x
    x = 9,851,013,782,720.88/3,615,016.40
  6. Step 6: Final answer
    x = 2,725,026.03

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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.