Home / 2,668,285.79-4,003,176.96-1,071,969.89

Finding the Fourth Proportional to 2,668,285.79, 4,003,176.96 and 1,071,969.89

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Solution

The fourth proportional to 2,668,285.79, 4,003,176.96 and 1,071,969.89 is: 1,608,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,285.79 : 4,003,176.96 = 1,071,969.89 : x
  2. Step 2: Convert to fraction form
    2,668,285.79/4,003,176.96 = 1,071,969.89/x
  3. Step 3: Cross multiply
    2,668,285.79x = 4,003,176.96 × 1,071,969.89
  4. Step 4: Simplify right side
    2,668,285.79x = 4,291,285,145,445.85
  5. Step 5: Solve for x
    x = 4,291,285,145,445.85/2,668,285.79
  6. Step 6: Final answer
    x = 1,608,255.45

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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.