Home / 3,530,295.72-4,871,653.98-1,960,330.20

Finding the Fourth Proportional to 3,530,295.72, 4,871,653.98 and 1,960,330.20

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Solution

The fourth proportional to 3,530,295.72, 4,871,653.98 and 1,960,330.20 is: 2,705,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530,295.72 : 4,871,653.98 = 1,960,330.20 : x
  2. Step 2: Convert to fraction form
    3,530,295.72/4,871,653.98 = 1,960,330.20/x
  3. Step 3: Cross multiply
    3,530,295.72x = 4,871,653.98 × 1,960,330.20
  4. Step 4: Simplify right side
    3,530,295.72x = 9,550,050,420,944.20
  5. Step 5: Solve for x
    x = 9,550,050,420,944.20/3,530,295.72
  6. Step 6: Final answer
    x = 2,705,170.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.