Home / 2,874,583.32-4,314,865.71-2,117,279.90

Finding the Fourth Proportional to 2,874,583.32, 4,314,865.71 and 2,117,279.90

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Solution

The fourth proportional to 2,874,583.32, 4,314,865.71 and 2,117,279.90 is: 3,178,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,583.32 : 4,314,865.71 = 2,117,279.90 : x
  2. Step 2: Convert to fraction form
    2,874,583.32/4,314,865.71 = 2,117,279.90/x
  3. Step 3: Cross multiply
    2,874,583.32x = 4,314,865.71 × 2,117,279.90
  4. Step 4: Simplify right side
    2,874,583.32x = 9,135,778,439,618.79
  5. Step 5: Solve for x
    x = 9,135,778,439,618.79/2,874,583.32
  6. Step 6: Final answer
    x = 3,178,122.67

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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.