Finding the Fourth Proportional to 1,529,286.78, 2,110,381.42 and 831,552.53
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Solution
The fourth proportional to 1,529,286.78, 2,110,381.42 and 831,552.53 is: 1,147,523.82
Step by Step Solution
- Step 1: Write the proportion equation
1,529,286.78 : 2,110,381.42 = 831,552.53 : x - Step 2: Convert to fraction form
1,529,286.78/2,110,381.42 = 831,552.53/x - Step 3: Cross multiply
1,529,286.78x = 2,110,381.42 × 831,552.53 - Step 4: Simplify right side
1,529,286.78x = 1,754,893,007,526.52 - Step 5: Solve for x
x = 1,754,893,007,526.52/1,529,286.78 - Step 6: Final answer
x = 1,147,523.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.