Finding the Fourth Proportional to 4,008,218.05, 5,535,937.76 and 2,637,680.28
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Solution
The fourth proportional to 4,008,218.05, 5,535,937.76 and 2,637,680.28 is: 3,643,023.83
Step by Step Solution
- Step 1: Write the proportion equation
4,008,218.05 : 5,535,937.76 = 2,637,680.28 : x - Step 2: Convert to fraction form
4,008,218.05/5,535,937.76 = 2,637,680.28/x - Step 3: Cross multiply
4,008,218.05x = 5,535,937.76 × 2,637,680.28 - Step 4: Simplify right side
4,008,218.05x = 14,602,033,857,317.98 - Step 5: Solve for x
x = 14,602,033,857,317.98/4,008,218.05 - Step 6: Final answer
x = 3,643,023.83
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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.