Home / 1,668,522.50-2,481,319.79-1,615,377.86

Finding the Fourth Proportional to 1,668,522.50, 2,481,319.79 and 1,615,377.86

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Solution

The fourth proportional to 1,668,522.50, 2,481,319.79 and 1,615,377.86 is: 2,402,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,522.50 : 2,481,319.79 = 1,615,377.86 : x
  2. Step 2: Convert to fraction form
    1,668,522.50/2,481,319.79 = 1,615,377.86/x
  3. Step 3: Cross multiply
    1,668,522.50x = 2,481,319.79 × 1,615,377.86
  4. Step 4: Simplify right side
    1,668,522.50x = 4,008,269,052,345.85
  5. Step 5: Solve for x
    x = 4,008,269,052,345.85/1,668,522.50
  6. Step 6: Final answer
    x = 2,402,286.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.