Home / 3,112,487.02-4,669,138.86-1,218,982.42

Finding the Fourth Proportional to 3,112,487.02, 4,669,138.86 and 1,218,982.42

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Solution

The fourth proportional to 3,112,487.02, 4,669,138.86 and 1,218,982.42 is: 1,828,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,487.02 : 4,669,138.86 = 1,218,982.42 : x
  2. Step 2: Convert to fraction form
    3,112,487.02/4,669,138.86 = 1,218,982.42/x
  3. Step 3: Cross multiply
    3,112,487.02x = 4,669,138.86 × 1,218,982.42
  4. Step 4: Simplify right side
    3,112,487.02x = 5,691,598,186,878.84
  5. Step 5: Solve for x
    x = 5,691,598,186,878.84/3,112,487.02
  6. Step 6: Final answer
    x = 1,828,633.55

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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.