Finding the Fourth Proportional to 2,088,646.80, 3,133,188.90 and 890,695.68
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Solution
The fourth proportional to 2,088,646.80, 3,133,188.90 and 890,695.68 is: 1,336,136.78
Step by Step Solution
- Step 1: Write the proportion equation
2,088,646.80 : 3,133,188.90 = 890,695.68 : x - Step 2: Convert to fraction form
2,088,646.80/3,133,188.90 = 890,695.68/x - Step 3: Cross multiply
2,088,646.80x = 3,133,188.90 × 890,695.68 - Step 4: Simplify right side
2,088,646.80x = 2,790,717,817,853.95 - Step 5: Solve for x
x = 2,790,717,817,853.95/2,088,646.80 - Step 6: Final answer
x = 1,336,136.78
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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.