Finding the Fourth Proportional to 4,023,370.08, 5,552,316.64 and 2,187,864.72
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Solution
The fourth proportional to 4,023,370.08, 5,552,316.64 and 2,187,864.72 is: 3,019,289.17
Step by Step Solution
- Step 1: Write the proportion equation
4,023,370.08 : 5,552,316.64 = 2,187,864.72 : x - Step 2: Convert to fraction form
4,023,370.08/5,552,316.64 = 2,187,864.72/x - Step 3: Cross multiply
4,023,370.08x = 5,552,316.64 × 2,187,864.72 - Step 4: Simplify right side
4,023,370.08x = 12,147,717,690,924.94 - Step 5: Solve for x
x = 12,147,717,690,924.94/4,023,370.08 - Step 6: Final answer
x = 3,019,289.17
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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.