Home / 5,276,739.84-7,915,680-1,681,661.76

Finding the Fourth Proportional to 5,276,739.84, 7,915,680 and 1,681,661.76

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Solution

The fourth proportional to 5,276,739.84, 7,915,680 and 1,681,661.76 is: 2,522,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276,739.84 : 7,915,680 = 1,681,661.76 : x
  2. Step 2: Convert to fraction form
    5,276,739.84/7,915,680 = 1,681,661.76/x
  3. Step 3: Cross multiply
    5,276,739.84x = 7,915,680 × 1,681,661.76
  4. Step 4: Simplify right side
    5,276,739.84x = 13,311,496,360,396.80
  5. Step 5: Solve for x
    x = 13,311,496,360,396.80/5,276,739.84
  6. Step 6: Final answer
    x = 2,522,674.37

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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.