Home / 3,381,705.51-5,072,568.53-822,920.87

Finding the Fourth Proportional to 3,381,705.51, 5,072,568.53 and 822,920.87

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Solution

The fourth proportional to 3,381,705.51, 5,072,568.53 and 822,920.87 is: 1,234,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381,705.51 : 5,072,568.53 = 822,920.87 : x
  2. Step 2: Convert to fraction form
    3,381,705.51/5,072,568.53 = 822,920.87/x
  3. Step 3: Cross multiply
    3,381,705.51x = 5,072,568.53 × 822,920.87
  4. Step 4: Simplify right side
    3,381,705.51x = 4,174,322,478,364.77
  5. Step 5: Solve for x
    x = 4,174,322,478,364.77/3,381,705.51
  6. Step 6: Final answer
    x = 1,234,383.79

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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.