Home / 3,220,853.25-4,831,309.05-976,991.25

Finding the Fourth Proportional to 3,220,853.25, 4,831,309.05 and 976,991.25

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Solution

The fourth proportional to 3,220,853.25, 4,831,309.05 and 976,991.25 is: 1,465,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,853.25 : 4,831,309.05 = 976,991.25 : x
  2. Step 2: Convert to fraction form
    3,220,853.25/4,831,309.05 = 976,991.25/x
  3. Step 3: Cross multiply
    3,220,853.25x = 4,831,309.05 × 976,991.25
  4. Step 4: Simplify right side
    3,220,853.25x = 4,720,146,667,895.81
  5. Step 5: Solve for x
    x = 4,720,146,667,895.81/3,220,853.25
  6. Step 6: Final answer
    x = 1,465,495.72

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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.