Home / 3,621,611.70-5,432,417.55-2,781,803.70

Finding the Fourth Proportional to 3,621,611.70, 5,432,417.55 and 2,781,803.70

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Solution

The fourth proportional to 3,621,611.70, 5,432,417.55 and 2,781,803.70 is: 4,172,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,611.70 : 5,432,417.55 = 2,781,803.70 : x
  2. Step 2: Convert to fraction form
    3,621,611.70/5,432,417.55 = 2,781,803.70/x
  3. Step 3: Cross multiply
    3,621,611.70x = 5,432,417.55 × 2,781,803.70
  4. Step 4: Simplify right side
    3,621,611.70x = 15,111,919,240,534.94
  5. Step 5: Solve for x
    x = 15,111,919,240,534.94/3,621,611.70
  6. Step 6: Final answer
    x = 4,172,705.55

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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.