Home / 2,919,771.90-4,000,020.68-2,810,608.02

Finding the Fourth Proportional to 2,919,771.90, 4,000,020.68 and 2,810,608.02

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Solution

The fourth proportional to 2,919,771.90, 4,000,020.68 and 2,810,608.02 is: 3,850,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,771.90 : 4,000,020.68 = 2,810,608.02 : x
  2. Step 2: Convert to fraction form
    2,919,771.90/4,000,020.68 = 2,810,608.02/x
  3. Step 3: Cross multiply
    2,919,771.90x = 4,000,020.68 × 2,810,608.02
  4. Step 4: Simplify right side
    2,919,771.90x = 11,242,490,210,400.38
  5. Step 5: Solve for x
    x = 11,242,490,210,400.38/2,919,771.90
  6. Step 6: Final answer
    x = 3,850,468.67

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.