Home / 3,171,925.02-4,377,139.26-1,721,589.39

Finding the Fourth Proportional to 3,171,925.02, 4,377,139.26 and 1,721,589.39

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Solution

The fourth proportional to 3,171,925.02, 4,377,139.26 and 1,721,589.39 is: 2,375,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,925.02 : 4,377,139.26 = 1,721,589.39 : x
  2. Step 2: Convert to fraction form
    3,171,925.02/4,377,139.26 = 1,721,589.39/x
  3. Step 3: Cross multiply
    3,171,925.02x = 4,377,139.26 × 1,721,589.39
  4. Step 4: Simplify right side
    3,171,925.02x = 7,535,636,502,112.49
  5. Step 5: Solve for x
    x = 7,535,636,502,112.49/3,171,925.02
  6. Step 6: Final answer
    x = 2,375,729.71

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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.