Finding the Fourth Proportional to 5,621,578.70, 7,757,781 and 3,043,259.42
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Solution
The fourth proportional to 5,621,578.70, 7,757,781 and 3,043,259.42 is: 4,199,699.30
Step by Step Solution
- Step 1: Write the proportion equation
5,621,578.70 : 7,757,781 = 3,043,259.42 : x - Step 2: Convert to fraction form
5,621,578.70/7,757,781 = 3,043,259.42/x - Step 3: Cross multiply
5,621,578.70x = 7,757,781 × 3,043,259.42 - Step 4: Simplify right side
5,621,578.70x = 23,608,940,106,547.02 - Step 5: Solve for x
x = 23,608,940,106,547.02/5,621,578.70 - Step 6: Final answer
x = 4,199,699.30
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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.