Home / 4,863,812.40-7,299,865.80-2,172,279.60

Finding the Fourth Proportional to 4,863,812.40, 7,299,865.80 and 2,172,279.60

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Solution

The fourth proportional to 4,863,812.40, 7,299,865.80 and 2,172,279.60 is: 3,260,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863,812.40 : 7,299,865.80 = 2,172,279.60 : x
  2. Step 2: Convert to fraction form
    4,863,812.40/7,299,865.80 = 2,172,279.60/x
  3. Step 3: Cross multiply
    4,863,812.40x = 7,299,865.80 × 2,172,279.60
  4. Step 4: Simplify right side
    4,863,812.40x = 15,857,349,560,077.68
  5. Step 5: Solve for x
    x = 15,857,349,560,077.68/4,863,812.40
  6. Step 6: Final answer
    x = 3,260,271.63

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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.