Home / 4,200,139.20-6,295,543.20-2,308,238.40

Finding the Fourth Proportional to 4,200,139.20, 6,295,543.20 and 2,308,238.40

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Solution

The fourth proportional to 4,200,139.20, 6,295,543.20 and 2,308,238.40 is: 3,459,793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,139.20 : 6,295,543.20 = 2,308,238.40 : x
  2. Step 2: Convert to fraction form
    4,200,139.20/6,295,543.20 = 2,308,238.40/x
  3. Step 3: Cross multiply
    4,200,139.20x = 6,295,543.20 × 2,308,238.40
  4. Step 4: Simplify right side
    4,200,139.20x = 14,531,614,563,098.88
  5. Step 5: Solve for x
    x = 14,531,614,563,098.88/4,200,139.20
  6. Step 6: Final answer
    x = 3,459,793.56

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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.