Home / 3,168,549.72-4,372,599.78-1,718,244.77

Finding the Fourth Proportional to 3,168,549.72, 4,372,599.78 and 1,718,244.77

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Solution

The fourth proportional to 3,168,549.72, 4,372,599.78 and 1,718,244.77 is: 2,371,178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,549.72 : 4,372,599.78 = 1,718,244.77 : x
  2. Step 2: Convert to fraction form
    3,168,549.72/4,372,599.78 = 1,718,244.77/x
  3. Step 3: Cross multiply
    3,168,549.72x = 4,372,599.78 × 1,718,244.77
  4. Step 4: Simplify right side
    3,168,549.72x = 7,513,196,703,288.15
  5. Step 5: Solve for x
    x = 7,513,196,703,288.15/3,168,549.72
  6. Step 6: Final answer
    x = 2,371,178.42

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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.