Home / 3,171,903.41-4,377,215.63-1,721,598.77

Finding the Fourth Proportional to 3,171,903.41, 4,377,215.63 and 1,721,598.77

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Solution

The fourth proportional to 3,171,903.41, 4,377,215.63 and 1,721,598.77 is: 2,375,800.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,903.41 : 4,377,215.63 = 1,721,598.77 : x
  2. Step 2: Convert to fraction form
    3,171,903.41/4,377,215.63 = 1,721,598.77/x
  3. Step 3: Cross multiply
    3,171,903.41x = 4,377,215.63 × 1,721,598.77
  4. Step 4: Simplify right side
    3,171,903.41x = 7,535,809,014,138.70
  5. Step 5: Solve for x
    x = 7,535,809,014,138.70/3,171,903.41
  6. Step 6: Final answer
    x = 2,375,800.29

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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.