Home / 4,920,357.60-7,356,916.80-3,644,899.20

Finding the Fourth Proportional to 4,920,357.60, 7,356,916.80 and 3,644,899.20

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Solution

The fourth proportional to 4,920,357.60, 7,356,916.80 and 3,644,899.20 is: 5,449,851.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,357.60 : 7,356,916.80 = 3,644,899.20 : x
  2. Step 2: Convert to fraction form
    4,920,357.60/7,356,916.80 = 3,644,899.20/x
  3. Step 3: Cross multiply
    4,920,357.60x = 7,356,916.80 × 3,644,899.20
  4. Step 4: Simplify right side
    4,920,357.60x = 26,815,220,158,786.56
  5. Step 5: Solve for x
    x = 26,815,220,158,786.56/4,920,357.60
  6. Step 6: Final answer
    x = 5,449,851.89

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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.