Home / 3,820,182.40-5,271,748.30-2,166,632.79

Finding the Fourth Proportional to 3,820,182.40, 5,271,748.30 and 2,166,632.79

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Solution

The fourth proportional to 3,820,182.40, 5,271,748.30 and 2,166,632.79 is: 2,989,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,182.40 : 5,271,748.30 = 2,166,632.79 : x
  2. Step 2: Convert to fraction form
    3,820,182.40/5,271,748.30 = 2,166,632.79/x
  3. Step 3: Cross multiply
    3,820,182.40x = 5,271,748.30 × 2,166,632.79
  4. Step 4: Simplify right side
    3,820,182.40x = 11,421,942,727,406.76
  5. Step 5: Solve for x
    x = 11,421,942,727,406.76/3,820,182.40
  6. Step 6: Final answer
    x = 2,989,894.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.