Finding the Fourth Proportional to 2,638,593.95, 3,641,266.64 and 1,431,369.95
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Solution
The fourth proportional to 2,638,593.95, 3,641,266.64 and 1,431,369.95 is: 1,975,294.32
Step by Step Solution
- Step 1: Write the proportion equation
2,638,593.95 : 3,641,266.64 = 1,431,369.95 : x - Step 2: Convert to fraction form
2,638,593.95/3,641,266.64 = 1,431,369.95/x - Step 3: Cross multiply
2,638,593.95x = 3,641,266.64 × 1,431,369.95 - Step 4: Simplify right side
2,638,593.95x = 5,211,999,633,805.56 - Step 5: Solve for x
x = 5,211,999,633,805.56/2,638,593.95 - Step 6: Final answer
x = 1,975,294.32
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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.