Finding the Fourth Proportional to 3,149,330.19, 4,724,820.25 and 990,268.10
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Solution
The fourth proportional to 3,149,330.19, 4,724,820.25 and 990,268.10 is: 1,485,661.55
Step by Step Solution
- Step 1: Write the proportion equation
3,149,330.19 : 4,724,820.25 = 990,268.10 : x - Step 2: Convert to fraction form
3,149,330.19/4,724,820.25 = 990,268.10/x - Step 3: Cross multiply
3,149,330.19x = 4,724,820.25 × 990,268.10 - Step 4: Simplify right side
3,149,330.19x = 4,678,838,763,427.33 - Step 5: Solve for x
x = 4,678,838,763,427.33/3,149,330.19 - Step 6: Final answer
x = 1,485,661.55
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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.