Home / 3,479,807.20-5,219,710.80-2,919,935.20

Finding the Fourth Proportional to 3,479,807.20, 5,219,710.80 and 2,919,935.20

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Solution

The fourth proportional to 3,479,807.20, 5,219,710.80 and 2,919,935.20 is: 4,379,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,807.20 : 5,219,710.80 = 2,919,935.20 : x
  2. Step 2: Convert to fraction form
    3,479,807.20/5,219,710.80 = 2,919,935.20/x
  3. Step 3: Cross multiply
    3,479,807.20x = 5,219,710.80 × 2,919,935.20
  4. Step 4: Simplify right side
    3,479,807.20x = 15,241,217,298,740.16
  5. Step 5: Solve for x
    x = 15,241,217,298,740.16/3,479,807.20
  6. Step 6: Final answer
    x = 4,379,902.80

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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.