Home / 2,919,914.47-4,379,870.61-2,126,246.71

Finding the Fourth Proportional to 2,919,914.47, 4,379,870.61 and 2,126,246.71

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Solution

The fourth proportional to 2,919,914.47, 4,379,870.61 and 2,126,246.71 is: 3,189,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,914.47 : 4,379,870.61 = 2,126,246.71 : x
  2. Step 2: Convert to fraction form
    2,919,914.47/4,379,870.61 = 2,126,246.71/x
  3. Step 3: Cross multiply
    2,919,914.47x = 4,379,870.61 × 2,126,246.71
  4. Step 4: Simplify right side
    2,919,914.47x = 9,312,685,474,738.19
  5. Step 5: Solve for x
    x = 9,312,685,474,738.19/2,919,914.47
  6. Step 6: Final answer
    x = 3,189,369.27

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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.