Finding the Fourth Proportional to 5,638,394.82, 8,455,696.74 and 2,043,409.08
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Solution
The fourth proportional to 5,638,394.82, 8,455,696.74 and 2,043,409.08 is: 3,064,426.68
Step by Step Solution
- Step 1: Write the proportion equation
5,638,394.82 : 8,455,696.74 = 2,043,409.08 : x - Step 2: Convert to fraction form
5,638,394.82/8,455,696.74 = 2,043,409.08/x - Step 3: Cross multiply
5,638,394.82x = 8,455,696.74 × 2,043,409.08 - Step 4: Simplify right side
5,638,394.82x = 17,278,447,496,242.40 - Step 5: Solve for x
x = 17,278,447,496,242.40/5,638,394.82 - Step 6: Final answer
x = 3,064,426.68
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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.