Home / 2,270,206.80-3,405,322.32-672,783.72

Finding the Fourth Proportional to 2,270,206.80, 3,405,322.32 and 672,783.72

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Solution

The fourth proportional to 2,270,206.80, 3,405,322.32 and 672,783.72 is: 1,009,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270,206.80 : 3,405,322.32 = 672,783.72 : x
  2. Step 2: Convert to fraction form
    2,270,206.80/3,405,322.32 = 672,783.72/x
  3. Step 3: Cross multiply
    2,270,206.80x = 3,405,322.32 × 672,783.72
  4. Step 4: Simplify right side
    2,270,206.80x = 2,291,045,418,248.63
  5. Step 5: Solve for x
    x = 2,291,045,418,248.63/2,270,206.80
  6. Step 6: Final answer
    x = 1,009,179.17

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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.