Home / 2,783,140.90-4,174,711.35-1,663,396.90

Finding the Fourth Proportional to 2,783,140.90, 4,174,711.35 and 1,663,396.90

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Solution

The fourth proportional to 2,783,140.90, 4,174,711.35 and 1,663,396.90 is: 2,495,095.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,140.90 : 4,174,711.35 = 1,663,396.90 : x
  2. Step 2: Convert to fraction form
    2,783,140.90/4,174,711.35 = 1,663,396.90/x
  3. Step 3: Cross multiply
    2,783,140.90x = 4,174,711.35 × 1,663,396.90
  4. Step 4: Simplify right side
    2,783,140.90x = 6,944,201,917,984.82
  5. Step 5: Solve for x
    x = 6,944,201,917,984.82/2,783,140.90
  6. Step 6: Final answer
    x = 2,495,095.35

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Double scale
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Similar ratio
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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.