Home / 2,108,428.04-3,162,642.00-510,991.13

Finding the Fourth Proportional to 2,108,428.04, 3,162,642.00 and 510,991.13

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Solution

The fourth proportional to 2,108,428.04, 3,162,642.00 and 510,991.13 is: 766,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,428.04 : 3,162,642.00 = 510,991.13 : x
  2. Step 2: Convert to fraction form
    2,108,428.04/3,162,642.00 = 510,991.13/x
  3. Step 3: Cross multiply
    2,108,428.04x = 3,162,642.00 × 510,991.13
  4. Step 4: Simplify right side
    2,108,428.04x = 1,616,082,015,355.85
  5. Step 5: Solve for x
    x = 1,616,082,015,355.85/2,108,428.04
  6. Step 6: Final answer
    x = 766,486.68

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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.