Home / 3,178,687.60-4,768,031.40-2,967,180.40

Finding the Fourth Proportional to 3,178,687.60, 4,768,031.40 and 2,967,180.40

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Solution

The fourth proportional to 3,178,687.60, 4,768,031.40 and 2,967,180.40 is: 4,450,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,687.60 : 4,768,031.40 = 2,967,180.40 : x
  2. Step 2: Convert to fraction form
    3,178,687.60/4,768,031.40 = 2,967,180.40/x
  3. Step 3: Cross multiply
    3,178,687.60x = 4,768,031.40 × 2,967,180.40
  4. Step 4: Simplify right side
    3,178,687.60x = 14,147,609,316,664.56
  5. Step 5: Solve for x
    x = 14,147,609,316,664.56/3,178,687.60
  6. Step 6: Final answer
    x = 4,450,770.60

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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.