Home / 5,376,853.80-8,074,611.90-2,857,429.80

Finding the Fourth Proportional to 5,376,853.80, 8,074,611.90 and 2,857,429.80

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Solution

The fourth proportional to 5,376,853.80, 8,074,611.90 and 2,857,429.80 is: 4,291,103.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,853.80 : 8,074,611.90 = 2,857,429.80 : x
  2. Step 2: Convert to fraction form
    5,376,853.80/8,074,611.90 = 2,857,429.80/x
  3. Step 3: Cross multiply
    5,376,853.80x = 8,074,611.90 × 2,857,429.80
  4. Step 4: Simplify right side
    5,376,853.80x = 23,072,636,666,494.62
  5. Step 5: Solve for x
    x = 23,072,636,666,494.62/5,376,853.80
  6. Step 6: Final answer
    x = 4,291,103.59

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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.