Finding the Fourth Proportional to 2,403,193.31, 3,316,407.82 and 1,315,471.09
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Solution
The fourth proportional to 2,403,193.31, 3,316,407.82 and 1,315,471.09 is: 1,815,350.67
Step by Step Solution
- Step 1: Write the proportion equation
2,403,193.31 : 3,316,407.82 = 1,315,471.09 : x - Step 2: Convert to fraction form
2,403,193.31/3,316,407.82 = 1,315,471.09/x - Step 3: Cross multiply
2,403,193.31x = 3,316,407.82 × 1,315,471.09 - Step 4: Simplify right side
2,403,193.31x = 4,362,638,586,700.53 - Step 5: Solve for x
x = 4,362,638,586,700.53/2,403,193.31 - Step 6: Final answer
x = 1,815,350.67
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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.