Finding the Fourth Proportional to 2,088,231.70, 3,132,347.55 and 1,090,830.10
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Solution
The fourth proportional to 2,088,231.70, 3,132,347.55 and 1,090,830.10 is: 1,636,245.15
Step by Step Solution
- Step 1: Write the proportion equation
2,088,231.70 : 3,132,347.55 = 1,090,830.10 : x - Step 2: Convert to fraction form
2,088,231.70/3,132,347.55 = 1,090,830.10/x - Step 3: Cross multiply
2,088,231.70x = 3,132,347.55 × 1,090,830.10 - Step 4: Simplify right side
2,088,231.70x = 3,416,858,991,201.26 - Step 5: Solve for x
x = 3,416,858,991,201.26/2,088,231.70 - Step 6: Final answer
x = 1,636,245.15
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1.5x scale
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.