Home / 2,235,939.80-3,353,909.70-1,171,308.20

Finding the Fourth Proportional to 2,235,939.80, 3,353,909.70 and 1,171,308.20

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Solution

The fourth proportional to 2,235,939.80, 3,353,909.70 and 1,171,308.20 is: 1,756,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,939.80 : 3,353,909.70 = 1,171,308.20 : x
  2. Step 2: Convert to fraction form
    2,235,939.80/3,353,909.70 = 1,171,308.20/x
  3. Step 3: Cross multiply
    2,235,939.80x = 3,353,909.70 × 1,171,308.20
  4. Step 4: Simplify right side
    2,235,939.80x = 3,928,461,933,669.54
  5. Step 5: Solve for x
    x = 3,928,461,933,669.54/2,235,939.80
  6. Step 6: Final answer
    x = 1,756,962.30

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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.