Home / 3,119,217.30-4,680,899.55-1,771,377.30

Finding the Fourth Proportional to 3,119,217.30, 4,680,899.55 and 1,771,377.30

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Solution

The fourth proportional to 3,119,217.30, 4,680,899.55 and 1,771,377.30 is: 2,658,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,217.30 : 4,680,899.55 = 1,771,377.30 : x
  2. Step 2: Convert to fraction form
    3,119,217.30/4,680,899.55 = 1,771,377.30/x
  3. Step 3: Cross multiply
    3,119,217.30x = 4,680,899.55 × 1,771,377.30
  4. Step 4: Simplify right side
    3,119,217.30x = 8,291,639,206,450.22
  5. Step 5: Solve for x
    x = 8,291,639,206,450.22/3,119,217.30
  6. Step 6: Final answer
    x = 2,658,243.53

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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.