Finding the Fourth Proportional to 5,455,371.51, 7,528,463.64 and 3,008,070.23
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Solution
The fourth proportional to 5,455,371.51, 7,528,463.64 and 3,008,070.23 is: 4,151,165.01
Step by Step Solution
- Step 1: Write the proportion equation
5,455,371.51 : 7,528,463.64 = 3,008,070.23 : x - Step 2: Convert to fraction form
5,455,371.51/7,528,463.64 = 3,008,070.23/x - Step 3: Cross multiply
5,455,371.51x = 7,528,463.64 × 3,008,070.23 - Step 4: Simplify right side
5,455,371.51x = 22,646,147,315,479.12 - Step 5: Solve for x
x = 22,646,147,315,479.12/5,455,371.51 - Step 6: Final answer
x = 4,151,165.01
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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.