Home / 5,146,601.40-7,102,172.88-2,971,071

Finding the Fourth Proportional to 5,146,601.40, 7,102,172.88 and 2,971,071

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Solution

The fourth proportional to 5,146,601.40, 7,102,172.88 and 2,971,071 is: 4,099,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146,601.40 : 7,102,172.88 = 2,971,071 : x
  2. Step 2: Convert to fraction form
    5,146,601.40/7,102,172.88 = 2,971,071/x
  3. Step 3: Cross multiply
    5,146,601.40x = 7,102,172.88 × 2,971,071
  4. Step 4: Simplify right side
    5,146,601.40x = 21,101,059,880,754.48
  5. Step 5: Solve for x
    x = 21,101,059,880,754.48/5,146,601.40
  6. Step 6: Final answer
    x = 4,099,998.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.