Home / 1,876,293.36-2,590,555.86-1,188,575.46

Finding the Fourth Proportional to 1,876,293.36, 2,590,555.86 and 1,188,575.46

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Solution

The fourth proportional to 1,876,293.36, 2,590,555.86 and 1,188,575.46 is: 1,641,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,293.36 : 2,590,555.86 = 1,188,575.46 : x
  2. Step 2: Convert to fraction form
    1,876,293.36/2,590,555.86 = 1,188,575.46/x
  3. Step 3: Cross multiply
    1,876,293.36x = 2,590,555.86 × 1,188,575.46
  4. Step 4: Simplify right side
    1,876,293.36x = 3,079,071,122,955.20
  5. Step 5: Solve for x
    x = 3,079,071,122,955.20/1,876,293.36
  6. Step 6: Final answer
    x = 1,641,039.29

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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.