Home / 2,080,245.60-3,120,368.40-817,653.60

Finding the Fourth Proportional to 2,080,245.60, 3,120,368.40 and 817,653.60

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Solution

The fourth proportional to 2,080,245.60, 3,120,368.40 and 817,653.60 is: 1,226,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,245.60 : 3,120,368.40 = 817,653.60 : x
  2. Step 2: Convert to fraction form
    2,080,245.60/3,120,368.40 = 817,653.60/x
  3. Step 3: Cross multiply
    2,080,245.60x = 3,120,368.40 × 817,653.60
  4. Step 4: Simplify right side
    2,080,245.60x = 2,551,380,455,586.24
  5. Step 5: Solve for x
    x = 2,551,380,455,586.24/2,080,245.60
  6. Step 6: Final answer
    x = 1,226,480.40

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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.