Home / 3,170,563.69-4,375,322.71-1,929,725.50

Finding the Fourth Proportional to 3,170,563.69, 4,375,322.71 and 1,929,725.50

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Solution

The fourth proportional to 3,170,563.69, 4,375,322.71 and 1,929,725.50 is: 2,662,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170,563.69 : 4,375,322.71 = 1,929,725.50 : x
  2. Step 2: Convert to fraction form
    3,170,563.69/4,375,322.71 = 1,929,725.50/x
  3. Step 3: Cross multiply
    3,170,563.69x = 4,375,322.71 × 1,929,725.50
  4. Step 4: Simplify right side
    3,170,563.69x = 8,443,171,804,216.11
  5. Step 5: Solve for x
    x = 8,443,171,804,216.11/3,170,563.69
  6. Step 6: Final answer
    x = 2,662,987.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.