Home / 4,979,740.20-7,471,492.80-1,949,271.88

Finding the Fourth Proportional to 4,979,740.20, 7,471,492.80 and 1,949,271.88

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Solution

The fourth proportional to 4,979,740.20, 7,471,492.80 and 1,949,271.88 is: 2,924,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979,740.20 : 7,471,492.80 = 1,949,271.88 : x
  2. Step 2: Convert to fraction form
    4,979,740.20/7,471,492.80 = 1,949,271.88/x
  3. Step 3: Cross multiply
    4,979,740.20x = 7,471,492.80 × 1,949,271.88
  4. Step 4: Simplify right side
    4,979,740.20x = 14,563,970,816,662.46
  5. Step 5: Solve for x
    x = 14,563,970,816,662.46/4,979,740.20
  6. Step 6: Final answer
    x = 2,924,644.71

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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.