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Finding the Fourth Proportional to 2,984,941.20, 4,477,397.04 and 741,079.20

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Solution

The fourth proportional to 2,984,941.20, 4,477,397.04 and 741,079.20 is: 1,111,615.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984,941.20 : 4,477,397.04 = 741,079.20 : x
  2. Step 2: Convert to fraction form
    2,984,941.20/4,477,397.04 = 741,079.20/x
  3. Step 3: Cross multiply
    2,984,941.20x = 4,477,397.04 × 741,079.20
  4. Step 4: Simplify right side
    2,984,941.20x = 3,318,105,816,485.57
  5. Step 5: Solve for x
    x = 3,318,105,816,485.57/2,984,941.20
  6. Step 6: Final answer
    x = 1,111,615.14

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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.