Home / 3,120,337.80-4,680,506.70-1,440,721.80

Finding the Fourth Proportional to 3,120,337.80, 4,680,506.70 and 1,440,721.80

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Solution

The fourth proportional to 3,120,337.80, 4,680,506.70 and 1,440,721.80 is: 2,161,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,337.80 : 4,680,506.70 = 1,440,721.80 : x
  2. Step 2: Convert to fraction form
    3,120,337.80/4,680,506.70 = 1,440,721.80/x
  3. Step 3: Cross multiply
    3,120,337.80x = 4,680,506.70 × 1,440,721.80
  4. Step 4: Simplify right side
    3,120,337.80x = 6,743,308,037,736.06
  5. Step 5: Solve for x
    x = 6,743,308,037,736.06/3,120,337.80
  6. Step 6: Final answer
    x = 2,161,082.70

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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.