Finding the Fourth Proportional to 1,912,063.68, 2,868,242.40 and 492,133.68
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Solution
The fourth proportional to 1,912,063.68, 2,868,242.40 and 492,133.68 is: 738,238.32
Step by Step Solution
- Step 1: Write the proportion equation
1,912,063.68 : 2,868,242.40 = 492,133.68 : x - Step 2: Convert to fraction form
1,912,063.68/2,868,242.40 = 492,133.68/x - Step 3: Cross multiply
1,912,063.68x = 2,868,242.40 × 492,133.68 - Step 4: Simplify right side
1,912,063.68x = 1,411,558,687,444.03 - Step 5: Solve for x
x = 1,411,558,687,444.03/1,912,063.68 - Step 6: Final answer
x = 738,238.32
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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.