Finding the Fourth Proportional to 6,611,713.69, 9,124,393.19 and 3,671,579.99
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Solution
The fourth proportional to 6,611,713.69, 9,124,393.19 and 3,671,579.99 is: 5,066,907.17
Step by Step Solution
- Step 1: Write the proportion equation
6,611,713.69 : 9,124,393.19 = 3,671,579.99 : x - Step 2: Convert to fraction form
6,611,713.69/9,124,393.19 = 3,671,579.99/x - Step 3: Cross multiply
6,611,713.69x = 9,124,393.19 × 3,671,579.99 - Step 4: Simplify right side
6,611,713.69x = 33,500,939,480,107.25 - Step 5: Solve for x
x = 33,500,939,480,107.25/6,611,713.69 - Step 6: Final answer
x = 5,066,907.17
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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.