Home / 3,855,706.40-5,783,559.60-2,959,911.20

Finding the Fourth Proportional to 3,855,706.40, 5,783,559.60 and 2,959,911.20

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Solution

The fourth proportional to 3,855,706.40, 5,783,559.60 and 2,959,911.20 is: 4,439,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,706.40 : 5,783,559.60 = 2,959,911.20 : x
  2. Step 2: Convert to fraction form
    3,855,706.40/5,783,559.60 = 2,959,911.20/x
  3. Step 3: Cross multiply
    3,855,706.40x = 5,783,559.60 × 2,959,911.20
  4. Step 4: Simplify right side
    3,855,706.40x = 17,118,822,835,907.52
  5. Step 5: Solve for x
    x = 17,118,822,835,907.52/3,855,706.40
  6. Step 6: Final answer
    x = 4,439,866.80

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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.