Home / 2,668,286.79-4,003,178.46-1,071,970.89

Finding the Fourth Proportional to 2,668,286.79, 4,003,178.46 and 1,071,970.89

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Solution

The fourth proportional to 2,668,286.79, 4,003,178.46 and 1,071,970.89 is: 1,608,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,286.79 : 4,003,178.46 = 1,071,970.89 : x
  2. Step 2: Convert to fraction form
    2,668,286.79/4,003,178.46 = 1,071,970.89/x
  3. Step 3: Cross multiply
    2,668,286.79x = 4,003,178.46 × 1,071,970.89
  4. Step 4: Simplify right side
    2,668,286.79x = 4,291,290,776,595.03
  5. Step 5: Solve for x
    x = 4,291,290,776,595.03/2,668,286.79
  6. Step 6: Final answer
    x = 1,608,256.95

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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.