Home / 2,689,118.80-4,033,678.20-1,553,822.80

Finding the Fourth Proportional to 2,689,118.80, 4,033,678.20 and 1,553,822.80

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Solution

The fourth proportional to 2,689,118.80, 4,033,678.20 and 1,553,822.80 is: 2,330,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,118.80 : 4,033,678.20 = 1,553,822.80 : x
  2. Step 2: Convert to fraction form
    2,689,118.80/4,033,678.20 = 1,553,822.80/x
  3. Step 3: Cross multiply
    2,689,118.80x = 4,033,678.20 × 1,553,822.80
  4. Step 4: Simplify right side
    2,689,118.80x = 6,267,621,155,022.96
  5. Step 5: Solve for x
    x = 6,267,621,155,022.96/2,689,118.80
  6. Step 6: Final answer
    x = 2,330,734.20

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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.