Home / 2,140,518.54-3,208,769.01-719,580.90

Finding the Fourth Proportional to 2,140,518.54, 3,208,769.01 and 719,580.90

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Solution

The fourth proportional to 2,140,518.54, 3,208,769.01 and 719,580.90 is: 1,078,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,518.54 : 3,208,769.01 = 719,580.90 : x
  2. Step 2: Convert to fraction form
    2,140,518.54/3,208,769.01 = 719,580.90/x
  3. Step 3: Cross multiply
    2,140,518.54x = 3,208,769.01 × 719,580.90
  4. Step 4: Simplify right side
    2,140,518.54x = 2,308,968,892,107.91
  5. Step 5: Solve for x
    x = 2,308,968,892,107.91/2,140,518.54
  6. Step 6: Final answer
    x = 1,078,696.05

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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.