Finding the Fourth Proportional to 3,698,006.54, 5,103,224.19 and 2,066,418.02
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Solution
The fourth proportional to 3,698,006.54, 5,103,224.19 and 2,066,418.02 is: 2,851,642.99
Step by Step Solution
- Step 1: Write the proportion equation
3,698,006.54 : 5,103,224.19 = 2,066,418.02 : x - Step 2: Convert to fraction form
3,698,006.54/5,103,224.19 = 2,066,418.02/x - Step 3: Cross multiply
3,698,006.54x = 5,103,224.19 × 2,066,418.02 - Step 4: Simplify right side
3,698,006.54x = 10,545,394,426,315.90 - Step 5: Solve for x
x = 10,545,394,426,315.90/3,698,006.54 - Step 6: Final answer
x = 2,851,642.99
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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.