Finding the Fourth Proportional to 5,250,328.96, 7,875,937.68 and 1,463,815.12
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Solution
The fourth proportional to 5,250,328.96, 7,875,937.68 and 1,463,815.12 is: 2,195,846.54
Step by Step Solution
- Step 1: Write the proportion equation
5,250,328.96 : 7,875,937.68 = 1,463,815.12 : x - Step 2: Convert to fraction form
5,250,328.96/7,875,937.68 = 1,463,815.12/x - Step 3: Cross multiply
5,250,328.96x = 7,875,937.68 × 1,463,815.12 - Step 4: Simplify right side
5,250,328.96x = 11,528,916,660,161.72 - Step 5: Solve for x
x = 11,528,916,660,161.72/5,250,328.96 - Step 6: Final answer
x = 2,195,846.54
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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.