Home / 1,847,861.91-2,771,311.73-782,355.51

Finding the Fourth Proportional to 1,847,861.91, 2,771,311.73 and 782,355.51

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Solution

The fourth proportional to 1,847,861.91, 2,771,311.73 and 782,355.51 is: 1,173,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847,861.91 : 2,771,311.73 = 782,355.51 : x
  2. Step 2: Convert to fraction form
    1,847,861.91/2,771,311.73 = 782,355.51/x
  3. Step 3: Cross multiply
    1,847,861.91x = 2,771,311.73 × 782,355.51
  4. Step 4: Simplify right side
    1,847,861.91x = 2,168,150,997,981.35
  5. Step 5: Solve for x
    x = 2,168,150,997,981.35/1,847,861.91
  6. Step 6: Final answer
    x = 1,173,329.56

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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.