Finding the Fourth Proportional to 4,018,206.27, 5,545,224.66 and 2,182,663.99
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Solution
The fourth proportional to 4,018,206.27, 5,545,224.66 and 2,182,663.99 is: 3,012,130.63
Step by Step Solution
- Step 1: Write the proportion equation
4,018,206.27 : 5,545,224.66 = 2,182,663.99 : x - Step 2: Convert to fraction form
4,018,206.27/5,545,224.66 = 2,182,663.99/x - Step 3: Cross multiply
4,018,206.27x = 5,545,224.66 × 2,182,663.99 - Step 4: Simplify right side
4,018,206.27x = 12,103,362,181,841.99 - Step 5: Solve for x
x = 12,103,362,181,841.99/4,018,206.27 - Step 6: Final answer
x = 3,012,130.63
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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.