Finding the Fourth Proportional to 2,242,888.87, 3,095,147.15 and 1,275,998.56
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Solution
The fourth proportional to 2,242,888.87, 3,095,147.15 and 1,275,998.56 is: 1,760,855.55
Step by Step Solution
- Step 1: Write the proportion equation
2,242,888.87 : 3,095,147.15 = 1,275,998.56 : x - Step 2: Convert to fraction form
2,242,888.87/3,095,147.15 = 1,275,998.56/x - Step 3: Cross multiply
2,242,888.87x = 3,095,147.15 × 1,275,998.56 - Step 4: Simplify right side
2,242,888.87x = 3,949,403,306,388.10 - Step 5: Solve for x
x = 3,949,403,306,388.10/2,242,888.87 - Step 6: Final answer
x = 1,760,855.55
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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.