Home / 1,985,270.36-2,971,583.54-1,581,375.16

Finding the Fourth Proportional to 1,985,270.36, 2,971,583.54 and 1,581,375.16

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Solution

The fourth proportional to 1,985,270.36, 2,971,583.54 and 1,581,375.16 is: 2,367,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,270.36 : 2,971,583.54 = 1,581,375.16 : x
  2. Step 2: Convert to fraction form
    1,985,270.36/2,971,583.54 = 1,581,375.16/x
  3. Step 3: Cross multiply
    1,985,270.36x = 2,971,583.54 × 1,581,375.16
  4. Step 4: Simplify right side
    1,985,270.36x = 4,699,188,396,020.87
  5. Step 5: Solve for x
    x = 4,699,188,396,020.87/1,985,270.36
  6. Step 6: Final answer
    x = 2,367,026.93

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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.