Home / 2,190,211.28-3,287,377.86-1,111,498.32

Finding the Fourth Proportional to 2,190,211.28, 3,287,377.86 and 1,111,498.32

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Solution

The fourth proportional to 2,190,211.28, 3,287,377.86 and 1,111,498.32 is: 1,668,293.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,211.28 : 3,287,377.86 = 1,111,498.32 : x
  2. Step 2: Convert to fraction form
    2,190,211.28/3,287,377.86 = 1,111,498.32/x
  3. Step 3: Cross multiply
    2,190,211.28x = 3,287,377.86 × 1,111,498.32
  4. Step 4: Simplify right side
    2,190,211.28x = 3,653,914,968,595.20
  5. Step 5: Solve for x
    x = 3,653,914,968,595.20/2,190,211.28
  6. Step 6: Final answer
    x = 1,668,293.38

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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.