Finding the Fourth Proportional to 2,647,744.79, 3,642,421.82 and 2,319,579.95
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Solution
The fourth proportional to 2,647,744.79, 3,642,421.82 and 2,319,579.95 is: 3,190,975.44
Step by Step Solution
- Step 1: Write the proportion equation
2,647,744.79 : 3,642,421.82 = 2,319,579.95 : x - Step 2: Convert to fraction form
2,647,744.79/3,642,421.82 = 2,319,579.95/x - Step 3: Cross multiply
2,647,744.79x = 3,642,421.82 × 2,319,579.95 - Step 4: Simplify right side
2,647,744.79x = 8,448,888,593,304.50 - Step 5: Solve for x
x = 8,448,888,593,304.50/2,647,744.79 - Step 6: Final answer
x = 3,190,975.44
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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.