Finding the Fourth Proportional to 5,328,958.68, 7,353,781.02 and 3,037,857.48
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Solution
The fourth proportional to 5,328,958.68, 7,353,781.02 and 3,037,857.48 is: 4,192,139.59
Step by Step Solution
- Step 1: Write the proportion equation
5,328,958.68 : 7,353,781.02 = 3,037,857.48 : x - Step 2: Convert to fraction form
5,328,958.68/7,353,781.02 = 3,037,857.48/x - Step 3: Cross multiply
5,328,958.68x = 7,353,781.02 × 3,037,857.48 - Step 4: Simplify right side
5,328,958.68x = 22,339,738,677,889.03 - Step 5: Solve for x
x = 22,339,738,677,889.03/5,328,958.68 - Step 6: Final answer
x = 4,192,139.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.