Finding the Fourth Proportional to 5,101,987.30, 7,040,741.94 and 2,810,147.99
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Solution
The fourth proportional to 5,101,987.30, 7,040,741.94 and 2,810,147.99 is: 3,878,003.93
Step by Step Solution
- Step 1: Write the proportion equation
5,101,987.30 : 7,040,741.94 = 2,810,147.99 : x - Step 2: Convert to fraction form
5,101,987.30/7,040,741.94 = 2,810,147.99/x - Step 3: Cross multiply
5,101,987.30x = 7,040,741.94 × 2,810,147.99 - Step 4: Simplify right side
5,101,987.30x = 19,785,526,775,595.99 - Step 5: Solve for x
x = 19,785,526,775,595.99/5,101,987.30 - Step 6: Final answer
x = 3,878,003.93
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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.