Finding the Fourth Proportional to 5,471,509.62, 8,207,133.54 and 1,778,528.75
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Solution
The fourth proportional to 5,471,509.62, 8,207,133.54 and 1,778,528.75 is: 2,667,750.57
Step by Step Solution
- Step 1: Write the proportion equation
5,471,509.62 : 8,207,133.54 = 1,778,528.75 : x - Step 2: Convert to fraction form
5,471,509.62/8,207,133.54 = 1,778,528.75/x - Step 3: Cross multiply
5,471,509.62x = 8,207,133.54 × 1,778,528.75 - Step 4: Simplify right side
5,471,509.62x = 14,596,622,906,050.96 - Step 5: Solve for x
x = 14,596,622,906,050.96/5,471,509.62 - Step 6: Final answer
x = 2,667,750.57
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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.