Home / 3,131,158.02-4,695,256.71-1,212,967.66

Finding the Fourth Proportional to 3,131,158.02, 4,695,256.71 and 1,212,967.66

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Solution

The fourth proportional to 3,131,158.02, 4,695,256.71 and 1,212,967.66 is: 1,818,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,158.02 : 4,695,256.71 = 1,212,967.66 : x
  2. Step 2: Convert to fraction form
    3,131,158.02/4,695,256.71 = 1,212,967.66/x
  3. Step 3: Cross multiply
    3,131,158.02x = 4,695,256.71 × 1,212,967.66
  4. Step 4: Simplify right side
    3,131,158.02x = 5,695,194,538,281.87
  5. Step 5: Solve for x
    x = 5,695,194,538,281.87/3,131,158.02
  6. Step 6: Final answer
    x = 1,818,878.03

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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.