Home / 3,180,143.04-4,771,790.88-1,261,013.12

Finding the Fourth Proportional to 3,180,143.04, 4,771,790.88 and 1,261,013.12

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Solution

The fourth proportional to 3,180,143.04, 4,771,790.88 and 1,261,013.12 is: 1,892,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,143.04 : 4,771,790.88 = 1,261,013.12 : x
  2. Step 2: Convert to fraction form
    3,180,143.04/4,771,790.88 = 1,261,013.12/x
  3. Step 3: Cross multiply
    3,180,143.04x = 4,771,790.88 × 1,261,013.12
  4. Step 4: Simplify right side
    3,180,143.04x = 6,017,290,905,576.35
  5. Step 5: Solve for x
    x = 6,017,290,905,576.35/3,180,143.04
  6. Step 6: Final answer
    x = 1,892,144.73

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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.