Home / 3,855,706.63-5,320,875.15-2,136,937.86

Finding the Fourth Proportional to 3,855,706.63, 5,320,875.15 and 2,136,937.86

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Solution

The fourth proportional to 3,855,706.63, 5,320,875.15 and 2,136,937.86 is: 2,948,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,706.63 : 5,320,875.15 = 2,136,937.86 : x
  2. Step 2: Convert to fraction form
    3,855,706.63/5,320,875.15 = 2,136,937.86/x
  3. Step 3: Cross multiply
    3,855,706.63x = 5,320,875.15 × 2,136,937.86
  4. Step 4: Simplify right side
    3,855,706.63x = 11,370,379,559,342.95
  5. Step 5: Solve for x
    x = 11,370,379,559,342.95/3,855,706.63
  6. Step 6: Final answer
    x = 2,948,974.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.