Home / 4,540,410.72-6,810,419.25-1,128,625.11

Finding the Fourth Proportional to 4,540,410.72, 6,810,419.25 and 1,128,625.11

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Solution

The fourth proportional to 4,540,410.72, 6,810,419.25 and 1,128,625.11 is: 1,692,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540,410.72 : 6,810,419.25 = 1,128,625.11 : x
  2. Step 2: Convert to fraction form
    4,540,410.72/6,810,419.25 = 1,128,625.11/x
  3. Step 3: Cross multiply
    4,540,410.72x = 6,810,419.25 × 1,128,625.11
  4. Step 4: Simplify right side
    4,540,410.72x = 7,686,410,175,177.37
  5. Step 5: Solve for x
    x = 7,686,410,175,177.37/4,540,410.72
  6. Step 6: Final answer
    x = 1,692,888.74

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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.