Home / 1,807,142.18-2,493,671.37-1,081,971.05

Finding the Fourth Proportional to 1,807,142.18, 2,493,671.37 and 1,081,971.05

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Solution

The fourth proportional to 1,807,142.18, 2,493,671.37 and 1,081,971.05 is: 1,493,009.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,142.18 : 2,493,671.37 = 1,081,971.05 : x
  2. Step 2: Convert to fraction form
    1,807,142.18/2,493,671.37 = 1,081,971.05/x
  3. Step 3: Cross multiply
    1,807,142.18x = 2,493,671.37 × 1,081,971.05
  4. Step 4: Simplify right side
    1,807,142.18x = 2,698,080,230,553.84
  5. Step 5: Solve for x
    x = 2,698,080,230,553.84/1,807,142.18
  6. Step 6: Final answer
    x = 1,493,009.38

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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.