Home / 3,387,154.70-4,674,343.01-1,917,063.22

Finding the Fourth Proportional to 3,387,154.70, 4,674,343.01 and 1,917,063.22

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Solution

The fourth proportional to 3,387,154.70, 4,674,343.01 and 1,917,063.22 is: 2,645,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,154.70 : 4,674,343.01 = 1,917,063.22 : x
  2. Step 2: Convert to fraction form
    3,387,154.70/4,674,343.01 = 1,917,063.22/x
  3. Step 3: Cross multiply
    3,387,154.70x = 4,674,343.01 × 1,917,063.22
  4. Step 4: Simplify right side
    3,387,154.70x = 8,961,011,072,770.68
  5. Step 5: Solve for x
    x = 8,961,011,072,770.68/3,387,154.70
  6. Step 6: Final answer
    x = 2,645,586.60

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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.