Home / 5,263,890.64-7,898,239.80-2,864,136.40

Finding the Fourth Proportional to 5,263,890.64, 7,898,239.80 and 2,864,136.40

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Solution

The fourth proportional to 5,263,890.64, 7,898,239.80 and 2,864,136.40 is: 4,297,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263,890.64 : 7,898,239.80 = 2,864,136.40 : x
  2. Step 2: Convert to fraction form
    5,263,890.64/7,898,239.80 = 2,864,136.40/x
  3. Step 3: Cross multiply
    5,263,890.64x = 7,898,239.80 × 2,864,136.40
  4. Step 4: Simplify right side
    5,263,890.64x = 22,621,636,107,108.72
  5. Step 5: Solve for x
    x = 22,621,636,107,108.72/5,263,890.64
  6. Step 6: Final answer
    x = 4,297,512.55

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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.