Home / 3,621,919.80-5,432,879.70-2,187,029.10

Finding the Fourth Proportional to 3,621,919.80, 5,432,879.70 and 2,187,029.10

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Solution

The fourth proportional to 3,621,919.80, 5,432,879.70 and 2,187,029.10 is: 3,280,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,919.80 : 5,432,879.70 = 2,187,029.10 : x
  2. Step 2: Convert to fraction form
    3,621,919.80/5,432,879.70 = 2,187,029.10/x
  3. Step 3: Cross multiply
    3,621,919.80x = 5,432,879.70 × 2,187,029.10
  4. Step 4: Simplify right side
    3,621,919.80x = 11,881,866,000,699.27
  5. Step 5: Solve for x
    x = 11,881,866,000,699.27/3,621,919.80
  6. Step 6: Final answer
    x = 3,280,543.65

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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.