Home / 2,131,564.41-2,941,559.65-1,151,503.80

Finding the Fourth Proportional to 2,131,564.41, 2,941,559.65 and 1,151,503.80

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Solution

The fourth proportional to 2,131,564.41, 2,941,559.65 and 1,151,503.80 is: 1,589,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,564.41 : 2,941,559.65 = 1,151,503.80 : x
  2. Step 2: Convert to fraction form
    2,131,564.41/2,941,559.65 = 1,151,503.80/x
  3. Step 3: Cross multiply
    2,131,564.41x = 2,941,559.65 × 1,151,503.80
  4. Step 4: Simplify right side
    2,131,564.41x = 3,387,217,105,310.20
  5. Step 5: Solve for x
    x = 3,387,217,105,310.20/2,131,564.41
  6. Step 6: Final answer
    x = 1,589,075.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.