Finding the Fourth Proportional to 5,148,690.67, 7,724,284.62 and 1,554,243.04
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Solution
The fourth proportional to 5,148,690.67, 7,724,284.62 and 1,554,243.04 is: 2,331,741.48
Step by Step Solution
- Step 1: Write the proportion equation
5,148,690.67 : 7,724,284.62 = 1,554,243.04 : x - Step 2: Convert to fraction form
5,148,690.67/7,724,284.62 = 1,554,243.04/x - Step 3: Cross multiply
5,148,690.67x = 7,724,284.62 × 1,554,243.04 - Step 4: Simplify right side
5,148,690.67x = 12,005,415,609,614.04 - Step 5: Solve for x
x = 12,005,415,609,614.04/5,148,690.67 - Step 6: Final answer
x = 2,331,741.48
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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.