Finding the Fourth Proportional to 4,284,961.20, 6,427,478.16 and 1,090,090.08
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Solution
The fourth proportional to 4,284,961.20, 6,427,478.16 and 1,090,090.08 is: 1,635,144.37
Step by Step Solution
- Step 1: Write the proportion equation
4,284,961.20 : 6,427,478.16 = 1,090,090.08 : x - Step 2: Convert to fraction form
4,284,961.20/6,427,478.16 = 1,090,090.08/x - Step 3: Cross multiply
4,284,961.20x = 6,427,478.16 × 1,090,090.08 - Step 4: Simplify right side
4,284,961.20x = 7,006,530,181,632.65 - Step 5: Solve for x
x = 7,006,530,181,632.65/4,284,961.20 - Step 6: Final answer
x = 1,635,144.37
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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.