Home / 1,770,615.20-2,651,986.20-1,369,956.80

Finding the Fourth Proportional to 1,770,615.20, 2,651,986.20 and 1,369,956.80

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Solution

The fourth proportional to 1,770,615.20, 2,651,986.20 and 1,369,956.80 is: 2,051,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,615.20 : 2,651,986.20 = 1,369,956.80 : x
  2. Step 2: Convert to fraction form
    1,770,615.20/2,651,986.20 = 1,369,956.80/x
  3. Step 3: Cross multiply
    1,770,615.20x = 2,651,986.20 × 1,369,956.80
  4. Step 4: Simplify right side
    1,770,615.20x = 3,633,106,528,196.16
  5. Step 5: Solve for x
    x = 3,633,106,528,196.16/1,770,615.20
  6. Step 6: Final answer
    x = 2,051,889.38

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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.