Home / 3,171,873.63-4,377,190.41-1,721,569.59

Finding the Fourth Proportional to 3,171,873.63, 4,377,190.41 and 1,721,569.59

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Solution

The fourth proportional to 3,171,873.63, 4,377,190.41 and 1,721,569.59 is: 2,375,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,873.63 : 4,377,190.41 = 1,721,569.59 : x
  2. Step 2: Convert to fraction form
    3,171,873.63/4,377,190.41 = 1,721,569.59/x
  3. Step 3: Cross multiply
    3,171,873.63x = 4,377,190.41 × 1,721,569.59
  4. Step 4: Simplify right side
    3,171,873.63x = 7,535,637,899,495.63
  5. Step 5: Solve for x
    x = 7,535,637,899,495.63/3,171,873.63
  6. Step 6: Final answer
    x = 2,375,768.64

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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.