Home / 3,811,188.81-5,715,578.53-1,251,983.28

Finding the Fourth Proportional to 3,811,188.81, 5,715,578.53 and 1,251,983.28

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Solution

The fourth proportional to 3,811,188.81, 5,715,578.53 and 1,251,983.28 is: 1,877,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811,188.81 : 5,715,578.53 = 1,251,983.28 : x
  2. Step 2: Convert to fraction form
    3,811,188.81/5,715,578.53 = 1,251,983.28/x
  3. Step 3: Cross multiply
    3,811,188.81x = 5,715,578.53 × 1,251,983.28
  4. Step 4: Simplify right side
    3,811,188.81x = 7,155,808,778,085.38
  5. Step 5: Solve for x
    x = 7,155,808,778,085.38/3,811,188.81
  6. Step 6: Final answer
    x = 1,877,579.18

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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.