Home / 2,190,465.80-3,285,698.70-1,949,928.20

Finding the Fourth Proportional to 2,190,465.80, 3,285,698.70 and 1,949,928.20

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Solution

The fourth proportional to 2,190,465.80, 3,285,698.70 and 1,949,928.20 is: 2,924,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,465.80 : 3,285,698.70 = 1,949,928.20 : x
  2. Step 2: Convert to fraction form
    2,190,465.80/3,285,698.70 = 1,949,928.20/x
  3. Step 3: Cross multiply
    2,190,465.80x = 3,285,698.70 × 1,949,928.20
  4. Step 4: Simplify right side
    2,190,465.80x = 6,406,876,551,833.34
  5. Step 5: Solve for x
    x = 6,406,876,551,833.34/2,190,465.80
  6. Step 6: Final answer
    x = 2,924,892.30

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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.