Home / 2,112,298.80-3,170,003.40-851,031.60

Finding the Fourth Proportional to 2,112,298.80, 3,170,003.40 and 851,031.60

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Solution

The fourth proportional to 2,112,298.80, 3,170,003.40 and 851,031.60 is: 1,277,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,298.80 : 3,170,003.40 = 851,031.60 : x
  2. Step 2: Convert to fraction form
    2,112,298.80/3,170,003.40 = 851,031.60/x
  3. Step 3: Cross multiply
    2,112,298.80x = 3,170,003.40 × 851,031.60
  4. Step 4: Simplify right side
    2,112,298.80x = 2,697,773,065,507.44
  5. Step 5: Solve for x
    x = 2,697,773,065,507.44/2,112,298.80
  6. Step 6: Final answer
    x = 1,277,173.98

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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.