Home / 2,920,744.80-4,380,339.60-898,984.80

Finding the Fourth Proportional to 2,920,744.80, 4,380,339.60 and 898,984.80

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Solution

The fourth proportional to 2,920,744.80, 4,380,339.60 and 898,984.80 is: 1,348,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,744.80 : 4,380,339.60 = 898,984.80 : x
  2. Step 2: Convert to fraction form
    2,920,744.80/4,380,339.60 = 898,984.80/x
  3. Step 3: Cross multiply
    2,920,744.80x = 4,380,339.60 × 898,984.80
  4. Step 4: Simplify right side
    2,920,744.80x = 3,937,858,719,238.08
  5. Step 5: Solve for x
    x = 3,937,858,719,238.08/2,920,744.80
  6. Step 6: Final answer
    x = 1,348,237.86

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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.