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Finding the Fourth Proportional to 2,946,774.04, 4,419,723.12 and 816,636.04

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Solution

The fourth proportional to 2,946,774.04, 4,419,723.12 and 816,636.04 is: 1,224,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946,774.04 : 4,419,723.12 = 816,636.04 : x
  2. Step 2: Convert to fraction form
    2,946,774.04/4,419,723.12 = 816,636.04/x
  3. Step 3: Cross multiply
    2,946,774.04x = 4,419,723.12 × 816,636.04
  4. Step 4: Simplify right side
    2,946,774.04x = 3,609,305,186,613.25
  5. Step 5: Solve for x
    x = 3,609,305,186,613.25/2,946,774.04
  6. Step 6: Final answer
    x = 1,224,832.69

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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.