Home / 3,979,918-5,492,435.08-2,261,329.60

Finding the Fourth Proportional to 3,979,918, 5,492,435.08 and 2,261,329.60

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Solution

The fourth proportional to 3,979,918, 5,492,435.08 and 2,261,329.60 is: 3,120,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,918 : 5,492,435.08 = 2,261,329.60 : x
  2. Step 2: Convert to fraction form
    3,979,918/5,492,435.08 = 2,261,329.60/x
  3. Step 3: Cross multiply
    3,979,918x = 5,492,435.08 × 2,261,329.60
  4. Step 4: Simplify right side
    3,979,918x = 12,420,206,022,482.37
  5. Step 5: Solve for x
    x = 12,420,206,022,482.37/3,979,918
  6. Step 6: Final answer
    x = 3,120,719.08

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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.