Home / 3,179,857.50-4,767,693.21-2,097,068.64

Finding the Fourth Proportional to 3,179,857.50, 4,767,693.21 and 2,097,068.64

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Solution

The fourth proportional to 3,179,857.50, 4,767,693.21 and 2,097,068.64 is: 3,144,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,857.50 : 4,767,693.21 = 2,097,068.64 : x
  2. Step 2: Convert to fraction form
    3,179,857.50/4,767,693.21 = 2,097,068.64/x
  3. Step 3: Cross multiply
    3,179,857.50x = 4,767,693.21 × 2,097,068.64
  4. Step 4: Simplify right side
    3,179,857.50x = 9,998,179,897,953.08
  5. Step 5: Solve for x
    x = 9,998,179,897,953.08/3,179,857.50
  6. Step 6: Final answer
    x = 3,144,222.63

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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.