Home / 3,057,613.65-4,219,509.55-1,680,980.80

Finding the Fourth Proportional to 3,057,613.65, 4,219,509.55 and 1,680,980.80

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Solution

The fourth proportional to 3,057,613.65, 4,219,509.55 and 1,680,980.80 is: 2,319,754.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057,613.65 : 4,219,509.55 = 1,680,980.80 : x
  2. Step 2: Convert to fraction form
    3,057,613.65/4,219,509.55 = 1,680,980.80/x
  3. Step 3: Cross multiply
    3,057,613.65x = 4,219,509.55 × 1,680,980.80
  4. Step 4: Simplify right side
    3,057,613.65x = 7,092,914,517,869.09
  5. Step 5: Solve for x
    x = 7,092,914,517,869.09/3,057,613.65
  6. Step 6: Final answer
    x = 2,319,754.99

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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.