Home / 5,315,342.94-7,974,177.21-1,721,473.16

Finding the Fourth Proportional to 5,315,342.94, 7,974,177.21 and 1,721,473.16

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Solution

The fourth proportional to 5,315,342.94, 7,974,177.21 and 1,721,473.16 is: 2,582,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,342.94 : 7,974,177.21 = 1,721,473.16 : x
  2. Step 2: Convert to fraction form
    5,315,342.94/7,974,177.21 = 1,721,473.16/x
  3. Step 3: Cross multiply
    5,315,342.94x = 7,974,177.21 × 1,721,473.16
  4. Step 4: Simplify right side
    5,315,342.94x = 13,727,332,000,227.80
  5. Step 5: Solve for x
    x = 13,727,332,000,227.80/5,315,342.94
  6. Step 6: Final answer
    x = 2,582,586.33

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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.