Finding the Fourth Proportional to 2,638,595.95, 3,641,269.43 and 1,431,371.95
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Solution
The fourth proportional to 2,638,595.95, 3,641,269.43 and 1,431,371.95 is: 1,975,297.09
Step by Step Solution
- Step 1: Write the proportion equation
2,638,595.95 : 3,641,269.43 = 1,431,371.95 : x - Step 2: Convert to fraction form
2,638,595.95/3,641,269.43 = 1,431,371.95/x - Step 3: Cross multiply
2,638,595.95x = 3,641,269.43 × 1,431,371.95 - Step 4: Simplify right side
2,638,595.95x = 5,212,010,899,131.28 - Step 5: Solve for x
x = 5,212,010,899,131.28/2,638,595.95 - Step 6: Final answer
x = 1,975,297.09
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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.