Home / 1,985,279.67-2,740,172.63-1,126,342.71

Finding the Fourth Proportional to 1,985,279.67, 2,740,172.63 and 1,126,342.71

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Solution

The fourth proportional to 1,985,279.67, 2,740,172.63 and 1,126,342.71 is: 1,554,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,279.67 : 2,740,172.63 = 1,126,342.71 : x
  2. Step 2: Convert to fraction form
    1,985,279.67/2,740,172.63 = 1,126,342.71/x
  3. Step 3: Cross multiply
    1,985,279.67x = 2,740,172.63 × 1,126,342.71
  4. Step 4: Simplify right side
    1,985,279.67x = 3,086,373,460,310.31
  5. Step 5: Solve for x
    x = 3,086,373,460,310.31/1,985,279.67
  6. Step 6: Final answer
    x = 1,554,629.06

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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.