Home / 3,090,396.24-4,634,707.68-931,631.76

Finding the Fourth Proportional to 3,090,396.24, 4,634,707.68 and 931,631.76

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Solution

The fourth proportional to 3,090,396.24, 4,634,707.68 and 931,631.76 is: 1,397,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,396.24 : 4,634,707.68 = 931,631.76 : x
  2. Step 2: Convert to fraction form
    3,090,396.24/4,634,707.68 = 931,631.76/x
  3. Step 3: Cross multiply
    3,090,396.24x = 4,634,707.68 × 931,631.76
  4. Step 4: Simplify right side
    3,090,396.24x = 4,317,840,873,003.92
  5. Step 5: Solve for x
    x = 4,317,840,873,003.92/3,090,396.24
  6. Step 6: Final answer
    x = 1,397,180.34

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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.