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Finding the Fourth Proportional to 3,361,478.40, 5,041,448.64 and 965,304

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Solution

The fourth proportional to 3,361,478.40, 5,041,448.64 and 965,304 is: 1,447,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361,478.40 : 5,041,448.64 = 965,304 : x
  2. Step 2: Convert to fraction form
    3,361,478.40/5,041,448.64 = 965,304/x
  3. Step 3: Cross multiply
    3,361,478.40x = 5,041,448.64 × 965,304
  4. Step 4: Simplify right side
    3,361,478.40x = 4,866,530,537,986.56
  5. Step 5: Solve for x
    x = 4,866,530,537,986.56/3,361,478.40
  6. Step 6: Final answer
    x = 1,447,735.18

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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.