Home / 5,315,255.68-7,974,153.66-1,721,026.48

Finding the Fourth Proportional to 5,315,255.68, 7,974,153.66 and 1,721,026.48

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Solution

The fourth proportional to 5,315,255.68, 7,974,153.66 and 1,721,026.48 is: 2,581,950.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,255.68 : 7,974,153.66 = 1,721,026.48 : x
  2. Step 2: Convert to fraction form
    5,315,255.68/7,974,153.66 = 1,721,026.48/x
  3. Step 3: Cross multiply
    5,315,255.68x = 7,974,153.66 × 1,721,026.48
  4. Step 4: Simplify right side
    5,315,255.68x = 13,723,729,604,448.92
  5. Step 5: Solve for x
    x = 13,723,729,604,448.92/5,315,255.68
  6. Step 6: Final answer
    x = 2,581,950.98

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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.