Home / 3,119,244.80-4,678,521.60-2,557,299.20

Finding the Fourth Proportional to 3,119,244.80, 4,678,521.60 and 2,557,299.20

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Solution

The fourth proportional to 3,119,244.80, 4,678,521.60 and 2,557,299.20 is: 3,835,665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,244.80 : 4,678,521.60 = 2,557,299.20 : x
  2. Step 2: Convert to fraction form
    3,119,244.80/4,678,521.60 = 2,557,299.20/x
  3. Step 3: Cross multiply
    3,119,244.80x = 4,678,521.60 × 2,557,299.20
  4. Step 4: Simplify right side
    3,119,244.80x = 11,964,379,544,862.72
  5. Step 5: Solve for x
    x = 11,964,379,544,862.72/3,119,244.80
  6. Step 6: Final answer
    x = 3,835,665.46

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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.