Finding the Fourth Proportional to 6,305,610.19, 8,702,384.99 and 3,859,837.52
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Solution
The fourth proportional to 6,305,610.19, 8,702,384.99 and 3,859,837.52 is: 5,326,969.33
Step by Step Solution
- Step 1: Write the proportion equation
6,305,610.19 : 8,702,384.99 = 3,859,837.52 : x - Step 2: Convert to fraction form
6,305,610.19/8,702,384.99 = 3,859,837.52/x - Step 3: Cross multiply
6,305,610.19x = 8,702,384.99 × 3,859,837.52 - Step 4: Simplify right side
6,305,610.19x = 33,589,792,078,587.64 - Step 5: Solve for x
x = 33,589,792,078,587.64/6,305,610.19 - Step 6: Final answer
x = 5,326,969.33
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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.