Home / 3,621,902.30-5,432,853.45-2,187,011.60

Finding the Fourth Proportional to 3,621,902.30, 5,432,853.45 and 2,187,011.60

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Solution

The fourth proportional to 3,621,902.30, 5,432,853.45 and 2,187,011.60 is: 3,280,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,902.30 : 5,432,853.45 = 2,187,011.60 : x
  2. Step 2: Convert to fraction form
    3,621,902.30/5,432,853.45 = 2,187,011.60/x
  3. Step 3: Cross multiply
    3,621,902.30x = 5,432,853.45 × 2,187,011.60
  4. Step 4: Simplify right side
    3,621,902.30x = 11,881,713,516,250.02
  5. Step 5: Solve for x
    x = 11,881,713,516,250.02/3,621,902.30
  6. Step 6: Final answer
    x = 3,280,517.40

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Double scale
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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.