Finding the Fourth Proportional to 6,644,550.24, 9,169,565.04 and 3,928,272.48
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Solution
The fourth proportional to 6,644,550.24, 9,169,565.04 and 3,928,272.48 is: 5,421,066.69
Step by Step Solution
- Step 1: Write the proportion equation
6,644,550.24 : 9,169,565.04 = 3,928,272.48 : x - Step 2: Convert to fraction form
6,644,550.24/9,169,565.04 = 3,928,272.48/x - Step 3: Cross multiply
6,644,550.24x = 9,169,565.04 × 3,928,272.48 - Step 4: Simplify right side
6,644,550.24x = 36,020,550,000,202.09 - Step 5: Solve for x
x = 36,020,550,000,202.09/6,644,550.24 - Step 6: Final answer
x = 5,421,066.69
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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.