Finding the Fourth Proportional to 1,381,808.04, 2,072,786.22 and 435,252.84
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Solution
The fourth proportional to 1,381,808.04, 2,072,786.22 and 435,252.84 is: 652,902.62
Step by Step Solution
- Step 1: Write the proportion equation
1,381,808.04 : 2,072,786.22 = 435,252.84 : x - Step 2: Convert to fraction form
1,381,808.04/2,072,786.22 = 435,252.84/x - Step 3: Cross multiply
1,381,808.04x = 2,072,786.22 × 435,252.84 - Step 4: Simplify right side
1,381,808.04x = 902,186,088,967.87 - Step 5: Solve for x
x = 902,186,088,967.87/1,381,808.04 - Step 6: Final answer
x = 652,902.62
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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.