Home / 5,315,239.20-7,974,128.58-1,721,010

Finding the Fourth Proportional to 5,315,239.20, 7,974,128.58 and 1,721,010

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Solution

The fourth proportional to 5,315,239.20, 7,974,128.58 and 1,721,010 is: 2,581,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,239.20 : 7,974,128.58 = 1,721,010 : x
  2. Step 2: Convert to fraction form
    5,315,239.20/7,974,128.58 = 1,721,010/x
  3. Step 3: Cross multiply
    5,315,239.20x = 7,974,128.58 × 1,721,010
  4. Step 4: Simplify right side
    5,315,239.20x = 13,723,555,027,465.80
  5. Step 5: Solve for x
    x = 13,723,555,027,465.80/5,315,239.20
  6. Step 6: Final answer
    x = 2,581,926.14

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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.