Home / 2,668,403.26-3,997,582.53-1,318,986.28

Finding the Fourth Proportional to 2,668,403.26, 3,997,582.53 and 1,318,986.28

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Solution

The fourth proportional to 2,668,403.26, 3,997,582.53 and 1,318,986.28 is: 1,975,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,403.26 : 3,997,582.53 = 1,318,986.28 : x
  2. Step 2: Convert to fraction form
    2,668,403.26/3,997,582.53 = 1,318,986.28/x
  3. Step 3: Cross multiply
    2,668,403.26x = 3,997,582.53 × 1,318,986.28
  4. Step 4: Simplify right side
    2,668,403.26x = 5,272,756,510,237.69
  5. Step 5: Solve for x
    x = 5,272,756,510,237.69/2,668,403.26
  6. Step 6: Final answer
    x = 1,975,996.88

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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.