Finding the Fourth Proportional to 3,955,981.50, 5,933,644.08 and 1,260,197.82
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Solution
The fourth proportional to 3,955,981.50, 5,933,644.08 and 1,260,197.82 is: 1,890,192.19
Step by Step Solution
- Step 1: Write the proportion equation
3,955,981.50 : 5,933,644.08 = 1,260,197.82 : x - Step 2: Convert to fraction form
3,955,981.50/5,933,644.08 = 1,260,197.82/x - Step 3: Cross multiply
3,955,981.50x = 5,933,644.08 × 1,260,197.82 - Step 4: Simplify right side
3,955,981.50x = 7,477,565,334,271.91 - Step 5: Solve for x
x = 7,477,565,334,271.91/3,955,981.50 - Step 6: Final answer
x = 1,890,192.19
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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.