Home / 1,631,129.08-2,250,050.78-1,515,665.20

Finding the Fourth Proportional to 1,631,129.08, 2,250,050.78 and 1,515,665.20

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Solution

The fourth proportional to 1,631,129.08, 2,250,050.78 and 1,515,665.20 is: 2,090,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,129.08 : 2,250,050.78 = 1,515,665.20 : x
  2. Step 2: Convert to fraction form
    1,631,129.08/2,250,050.78 = 1,515,665.20/x
  3. Step 3: Cross multiply
    1,631,129.08x = 2,250,050.78 × 1,515,665.20
  4. Step 4: Simplify right side
    1,631,129.08x = 3,410,323,665,478.86
  5. Step 5: Solve for x
    x = 3,410,323,665,478.86/1,631,129.08
  6. Step 6: Final answer
    x = 2,090,774.85

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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.