Finding the Fourth Proportional to 2,168,906.08, 2,993,090.68 and 1,202,098.79
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Solution
The fourth proportional to 2,168,906.08, 2,993,090.68 and 1,202,098.79 is: 1,658,896.49
Step by Step Solution
- Step 1: Write the proportion equation
2,168,906.08 : 2,993,090.68 = 1,202,098.79 : x - Step 2: Convert to fraction form
2,168,906.08/2,993,090.68 = 1,202,098.79/x - Step 3: Cross multiply
2,168,906.08x = 2,993,090.68 × 1,202,098.79 - Step 4: Simplify right side
2,168,906.08x = 3,597,990,678,041.67 - Step 5: Solve for x
x = 3,597,990,678,041.67/2,168,906.08 - Step 6: Final answer
x = 1,658,896.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.