Home / 3,119,368.20-4,679,052.30-1,771,009.80

Finding the Fourth Proportional to 3,119,368.20, 4,679,052.30 and 1,771,009.80

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Solution

The fourth proportional to 3,119,368.20, 4,679,052.30 and 1,771,009.80 is: 2,656,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,368.20 : 4,679,052.30 = 1,771,009.80 : x
  2. Step 2: Convert to fraction form
    3,119,368.20/4,679,052.30 = 1,771,009.80/x
  3. Step 3: Cross multiply
    3,119,368.20x = 4,679,052.30 × 1,771,009.80
  4. Step 4: Simplify right side
    3,119,368.20x = 8,286,647,478,012.54
  5. Step 5: Solve for x
    x = 8,286,647,478,012.54/3,119,368.20
  6. Step 6: Final answer
    x = 2,656,514.70

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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.