Home / 3,771,979.04-5,658,812.38-1,375,823.78

Finding the Fourth Proportional to 3,771,979.04, 5,658,812.38 and 1,375,823.78

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Solution

The fourth proportional to 3,771,979.04, 5,658,812.38 and 1,375,823.78 is: 2,064,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771,979.04 : 5,658,812.38 = 1,375,823.78 : x
  2. Step 2: Convert to fraction form
    3,771,979.04/5,658,812.38 = 1,375,823.78/x
  3. Step 3: Cross multiply
    3,771,979.04x = 5,658,812.38 × 1,375,823.78
  4. Step 4: Simplify right side
    3,771,979.04x = 7,785,528,633,608.66
  5. Step 5: Solve for x
    x = 7,785,528,633,608.66/3,771,979.04
  6. Step 6: Final answer
    x = 2,064,043.45

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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.