Home / 3,429,799.29-5,144,700.78-871,206.12

Finding the Fourth Proportional to 3,429,799.29, 5,144,700.78 and 871,206.12

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Solution

The fourth proportional to 3,429,799.29, 5,144,700.78 and 871,206.12 is: 1,306,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,799.29 : 5,144,700.78 = 871,206.12 : x
  2. Step 2: Convert to fraction form
    3,429,799.29/5,144,700.78 = 871,206.12/x
  3. Step 3: Cross multiply
    3,429,799.29x = 5,144,700.78 × 871,206.12
  4. Step 4: Simplify right side
    3,429,799.29x = 4,482,094,805,104.77
  5. Step 5: Solve for x
    x = 4,482,094,805,104.77/3,429,799.29
  6. Step 6: Final answer
    x = 1,306,809.65

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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.