Finding the Fourth Proportional to 3,908,372.88, 5,862,561.68 and 1,068,271.44
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Solution
The fourth proportional to 3,908,372.88, 5,862,561.68 and 1,068,271.44 is: 1,602,407.81
Step by Step Solution
- Step 1: Write the proportion equation
3,908,372.88 : 5,862,561.68 = 1,068,271.44 : x - Step 2: Convert to fraction form
3,908,372.88/5,862,561.68 = 1,068,271.44/x - Step 3: Cross multiply
3,908,372.88x = 5,862,561.68 × 1,068,271.44 - Step 4: Simplify right side
3,908,372.88x = 6,262,807,207,982.42 - Step 5: Solve for x
x = 6,262,807,207,982.42/3,908,372.88 - Step 6: Final answer
x = 1,602,407.81
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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.