Home / 4,892,445.20-7,338,667.80-4,183,857.20

Finding the Fourth Proportional to 4,892,445.20, 7,338,667.80 and 4,183,857.20

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Solution

The fourth proportional to 4,892,445.20, 7,338,667.80 and 4,183,857.20 is: 6,275,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892,445.20 : 7,338,667.80 = 4,183,857.20 : x
  2. Step 2: Convert to fraction form
    4,892,445.20/7,338,667.80 = 4,183,857.20/x
  3. Step 3: Cross multiply
    4,892,445.20x = 7,338,667.80 × 4,183,857.20
  4. Step 4: Simplify right side
    4,892,445.20x = 30,703,938,113,438.16
  5. Step 5: Solve for x
    x = 30,703,938,113,438.16/4,892,445.20
  6. Step 6: Final answer
    x = 6,275,785.80

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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.