Home / 1,900,139.24-2,850,294.11-620,824.65

Finding the Fourth Proportional to 1,900,139.24, 2,850,294.11 and 620,824.65

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Solution

The fourth proportional to 1,900,139.24, 2,850,294.11 and 620,824.65 is: 931,264.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,139.24 : 2,850,294.11 = 620,824.65 : x
  2. Step 2: Convert to fraction form
    1,900,139.24/2,850,294.11 = 620,824.65/x
  3. Step 3: Cross multiply
    1,900,139.24x = 2,850,294.11 × 620,824.65
  4. Step 4: Simplify right side
    1,900,139.24x = 1,769,532,858,732.65
  5. Step 5: Solve for x
    x = 1,769,532,858,732.65/1,900,139.24
  6. Step 6: Final answer
    x = 931,264.84

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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.