Home / 4,939,404.60-7,404,441.30-2,919,199.80

Finding the Fourth Proportional to 4,939,404.60, 7,404,441.30 and 2,919,199.80

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Solution

The fourth proportional to 4,939,404.60, 7,404,441.30 and 2,919,199.80 is: 4,376,042.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939,404.60 : 7,404,441.30 = 2,919,199.80 : x
  2. Step 2: Convert to fraction form
    4,939,404.60/7,404,441.30 = 2,919,199.80/x
  3. Step 3: Cross multiply
    4,939,404.60x = 7,404,441.30 × 2,919,199.80
  4. Step 4: Simplify right side
    4,939,404.60x = 21,615,043,562,071.74
  5. Step 5: Solve for x
    x = 21,615,043,562,071.74/4,939,404.60
  6. Step 6: Final answer
    x = 4,376,042.32

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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.