Home / 2,850,345.60-4,275,518.88-720,435.84

Finding the Fourth Proportional to 2,850,345.60, 4,275,518.88 and 720,435.84

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Solution

The fourth proportional to 2,850,345.60, 4,275,518.88 and 720,435.84 is: 1,080,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,345.60 : 4,275,518.88 = 720,435.84 : x
  2. Step 2: Convert to fraction form
    2,850,345.60/4,275,518.88 = 720,435.84/x
  3. Step 3: Cross multiply
    2,850,345.60x = 4,275,518.88 × 720,435.84
  4. Step 4: Simplify right side
    2,850,345.60x = 3,080,237,035,748.66
  5. Step 5: Solve for x
    x = 3,080,237,035,748.66/2,850,345.60
  6. Step 6: Final answer
    x = 1,080,653.88

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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.