Home / 6,321,875-8,718,265.74-4,196,400.11

Finding the Fourth Proportional to 6,321,875, 8,718,265.74 and 4,196,400.11

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Solution

The fourth proportional to 6,321,875, 8,718,265.74 and 4,196,400.11 is: 5,787,101.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,875 : 8,718,265.74 = 4,196,400.11 : x
  2. Step 2: Convert to fraction form
    6,321,875/8,718,265.74 = 4,196,400.11/x
  3. Step 3: Cross multiply
    6,321,875x = 8,718,265.74 × 4,196,400.11
  4. Step 4: Simplify right side
    6,321,875x = 36,585,331,310,345.23
  5. Step 5: Solve for x
    x = 36,585,331,310,345.23/6,321,875
  6. Step 6: Final answer
    x = 5,787,101.34

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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.