Finding the Fourth Proportional to 5,470,326.29, 7,549,340.84 and 3,147,571.71
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Solution
The fourth proportional to 5,470,326.29, 7,549,340.84 and 3,147,571.71 is: 4,343,816.14
Step by Step Solution
- Step 1: Write the proportion equation
5,470,326.29 : 7,549,340.84 = 3,147,571.71 : x - Step 2: Convert to fraction form
5,470,326.29/7,549,340.84 = 3,147,571.71/x - Step 3: Cross multiply
5,470,326.29x = 7,549,340.84 × 3,147,571.71 - Step 4: Simplify right side
5,470,326.29x = 23,762,091,653,197.17 - Step 5: Solve for x
x = 23,762,091,653,197.17/5,470,326.29 - Step 6: Final answer
x = 4,343,816.14
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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.