Home / 2,783,193.90-4,174,790.85-1,663,449.90

Finding the Fourth Proportional to 2,783,193.90, 4,174,790.85 and 1,663,449.90

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Solution

The fourth proportional to 2,783,193.90, 4,174,790.85 and 1,663,449.90 is: 2,495,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,193.90 : 4,174,790.85 = 1,663,449.90 : x
  2. Step 2: Convert to fraction form
    2,783,193.90/4,174,790.85 = 1,663,449.90/x
  3. Step 3: Cross multiply
    2,783,193.90x = 4,174,790.85 × 1,663,449.90
  4. Step 4: Simplify right side
    2,783,193.90x = 6,944,555,421,953.42
  5. Step 5: Solve for x
    x = 6,944,555,421,953.42/2,783,193.90
  6. Step 6: Final answer
    x = 2,495,174.85

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Double scale
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Similar ratio
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1.5x scale

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.