Home / 4,189,670.40-6,284,505.60-2,489,059.20

Finding the Fourth Proportional to 4,189,670.40, 6,284,505.60 and 2,489,059.20

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Solution

The fourth proportional to 4,189,670.40, 6,284,505.60 and 2,489,059.20 is: 3,733,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189,670.40 : 6,284,505.60 = 2,489,059.20 : x
  2. Step 2: Convert to fraction form
    4,189,670.40/6,284,505.60 = 2,489,059.20/x
  3. Step 3: Cross multiply
    4,189,670.40x = 6,284,505.60 × 2,489,059.20
  4. Step 4: Simplify right side
    4,189,670.40x = 15,642,506,481,131.52
  5. Step 5: Solve for x
    x = 15,642,506,481,131.52/4,189,670.40
  6. Step 6: Final answer
    x = 3,733,588.80

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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.