Finding the Fourth Proportional to 1,551,916.40, 2,327,972.98 and 487,000.48
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Solution
The fourth proportional to 1,551,916.40, 2,327,972.98 and 487,000.48 is: 730,531.59
Step by Step Solution
- Step 1: Write the proportion equation
1,551,916.40 : 2,327,972.98 = 487,000.48 : x - Step 2: Convert to fraction form
1,551,916.40/2,327,972.98 = 487,000.48/x - Step 3: Cross multiply
1,551,916.40x = 2,327,972.98 × 487,000.48 - Step 4: Simplify right side
1,551,916.40x = 1,133,723,958,687.03 - Step 5: Solve for x
x = 1,133,723,958,687.03/1,551,916.40 - Step 6: Final answer
x = 730,531.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.