Home / 3,163,155.25-4,746,178.73-1,721,679.25

Finding the Fourth Proportional to 3,163,155.25, 4,746,178.73 and 1,721,679.25

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Solution

The fourth proportional to 3,163,155.25, 4,746,178.73 and 1,721,679.25 is: 2,583,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163,155.25 : 4,746,178.73 = 1,721,679.25 : x
  2. Step 2: Convert to fraction form
    3,163,155.25/4,746,178.73 = 1,721,679.25/x
  3. Step 3: Cross multiply
    3,163,155.25x = 4,746,178.73 × 1,721,679.25
  4. Step 4: Simplify right side
    3,163,155.25x = 8,171,397,427,623.96
  5. Step 5: Solve for x
    x = 8,171,397,427,623.96/3,163,155.25
  6. Step 6: Final answer
    x = 2,583,305.84

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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.