Finding the Fourth Proportional to 1,601,916.68, 2,402,568.84 and 479,985.68
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Solution
The fourth proportional to 1,601,916.68, 2,402,568.84 and 479,985.68 is: 719,886.78
Step by Step Solution
- Step 1: Write the proportion equation
1,601,916.68 : 2,402,568.84 = 479,985.68 : x - Step 2: Convert to fraction form
1,601,916.68/2,402,568.84 = 479,985.68/x - Step 3: Cross multiply
1,601,916.68x = 2,402,568.84 × 479,985.68 - Step 4: Simplify right side
1,601,916.68x = 1,153,198,638,115.28 - Step 5: Solve for x
x = 1,153,198,638,115.28/1,601,916.68 - Step 6: Final answer
x = 719,886.78
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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.