Home / 2,209,669.21-3,049,313.47-1,242,799.14

Finding the Fourth Proportional to 2,209,669.21, 3,049,313.47 and 1,242,799.14

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Solution

The fourth proportional to 2,209,669.21, 3,049,313.47 and 1,242,799.14 is: 1,715,045.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,669.21 : 3,049,313.47 = 1,242,799.14 : x
  2. Step 2: Convert to fraction form
    2,209,669.21/3,049,313.47 = 1,242,799.14/x
  3. Step 3: Cross multiply
    2,209,669.21x = 3,049,313.47 × 1,242,799.14
  4. Step 4: Simplify right side
    2,209,669.21x = 3,789,684,154,999.42
  5. Step 5: Solve for x
    x = 3,789,684,154,999.42/2,209,669.21
  6. Step 6: Final answer
    x = 1,715,045.92

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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.