Home / 3,653,709.20-5,480,045.40-1,129,619.60

Finding the Fourth Proportional to 3,653,709.20, 5,480,045.40 and 1,129,619.60

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Solution

The fourth proportional to 3,653,709.20, 5,480,045.40 and 1,129,619.60 is: 1,694,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653,709.20 : 5,480,045.40 = 1,129,619.60 : x
  2. Step 2: Convert to fraction form
    3,653,709.20/5,480,045.40 = 1,129,619.60/x
  3. Step 3: Cross multiply
    3,653,709.20x = 5,480,045.40 × 1,129,619.60
  4. Step 4: Simplify right side
    3,653,709.20x = 6,190,366,692,729.84
  5. Step 5: Solve for x
    x = 6,190,366,692,729.84/3,653,709.20
  6. Step 6: Final answer
    x = 1,694,269.13

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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.