Finding the Fourth Proportional to 5,746,468.88, 8,619,703.34 and 5,459,121.70
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Solution
The fourth proportional to 5,746,468.88, 8,619,703.34 and 5,459,121.70 is: 8,188,682.56
Step by Step Solution
- Step 1: Write the proportion equation
5,746,468.88 : 8,619,703.34 = 5,459,121.70 : x - Step 2: Convert to fraction form
5,746,468.88/8,619,703.34 = 5,459,121.70/x - Step 3: Cross multiply
5,746,468.88x = 8,619,703.34 × 5,459,121.70 - Step 4: Simplify right side
5,746,468.88x = 47,056,009,502,111.62 - Step 5: Solve for x
x = 47,056,009,502,111.62/5,746,468.88 - Step 6: Final answer
x = 8,188,682.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.