Finding the Fourth Proportional to 2,932,416.12, 4,046,695.18 and 1,643,281.68
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Solution
The fourth proportional to 2,932,416.12, 4,046,695.18 and 1,643,281.68 is: 2,267,706.83
Step by Step Solution
- Step 1: Write the proportion equation
2,932,416.12 : 4,046,695.18 = 1,643,281.68 : x - Step 2: Convert to fraction form
2,932,416.12/4,046,695.18 = 1,643,281.68/x - Step 3: Cross multiply
2,932,416.12x = 4,046,695.18 × 1,643,281.68 - Step 4: Simplify right side
2,932,416.12x = 6,649,860,053,838.30 - Step 5: Solve for x
x = 6,649,860,053,838.30/2,932,416.12 - Step 6: Final answer
x = 2,267,706.83
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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.