Finding the Fourth Proportional to 3,907,175.76, 5,390,184.98 and 2,357,573.12
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Solution
The fourth proportional to 3,907,175.76, 5,390,184.98 and 2,357,573.12 is: 3,252,414.53
Step by Step Solution
- Step 1: Write the proportion equation
3,907,175.76 : 5,390,184.98 = 2,357,573.12 : x - Step 2: Convert to fraction form
3,907,175.76/5,390,184.98 = 2,357,573.12/x - Step 3: Cross multiply
3,907,175.76x = 5,390,184.98 × 2,357,573.12 - Step 4: Simplify right side
3,907,175.76x = 12,707,755,220,675.74 - Step 5: Solve for x
x = 12,707,755,220,675.74/3,907,175.76 - Step 6: Final answer
x = 3,252,414.53
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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.