Finding the Fourth Proportional to 2,186,106.80, 3,274,768.57 and 1,088,585.11
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Solution
The fourth proportional to 2,186,106.80, 3,274,768.57 and 1,088,585.11 is: 1,630,690.83
Step by Step Solution
- Step 1: Write the proportion equation
2,186,106.80 : 3,274,768.57 = 1,088,585.11 : x - Step 2: Convert to fraction form
2,186,106.80/3,274,768.57 = 1,088,585.11/x - Step 3: Cross multiply
2,186,106.80x = 3,274,768.57 × 1,088,585.11 - Step 4: Simplify right side
2,186,106.80x = 3,564,864,303,997.99 - Step 5: Solve for x
x = 3,564,864,303,997.99/2,186,106.80 - Step 6: Final answer
x = 1,630,690.83
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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.