Home / 2,478,274.79-3,716,570.23-858,665.58

Finding the Fourth Proportional to 2,478,274.79, 3,716,570.23 and 858,665.58

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Solution

The fourth proportional to 2,478,274.79, 3,716,570.23 and 858,665.58 is: 1,287,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478,274.79 : 3,716,570.23 = 858,665.58 : x
  2. Step 2: Convert to fraction form
    2,478,274.79/3,716,570.23 = 858,665.58/x
  3. Step 3: Cross multiply
    2,478,274.79x = 3,716,570.23 × 858,665.58
  4. Step 4: Simplify right side
    2,478,274.79x = 3,191,290,932,153.68
  5. Step 5: Solve for x
    x = 3,191,290,932,153.68/2,478,274.79
  6. Step 6: Final answer
    x = 1,287,706.65

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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.