Finding the Fourth Proportional to 2,598,211.24, 3,582,268.74 and 1,987,113.64
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Solution
The fourth proportional to 2,598,211.24, 3,582,268.74 and 1,987,113.64 is: 2,739,721.45
Step by Step Solution
- Step 1: Write the proportion equation
2,598,211.24 : 3,582,268.74 = 1,987,113.64 : x - Step 2: Convert to fraction form
2,598,211.24/3,582,268.74 = 1,987,113.64/x - Step 3: Cross multiply
2,598,211.24x = 3,582,268.74 × 1,987,113.64 - Step 4: Simplify right side
2,598,211.24x = 7,118,375,075,399.61 - Step 5: Solve for x
x = 7,118,375,075,399.61/2,598,211.24 - Step 6: Final answer
x = 2,739,721.45
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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.