Finding the Fourth Proportional to 2,577,281.60, 3,556,656.84 and 1,431,361.88
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Solution
The fourth proportional to 2,577,281.60, 3,556,656.84 and 1,431,361.88 is: 1,975,283.97
Step by Step Solution
- Step 1: Write the proportion equation
2,577,281.60 : 3,556,656.84 = 1,431,361.88 : x - Step 2: Convert to fraction form
2,577,281.60/3,556,656.84 = 1,431,361.88/x - Step 3: Cross multiply
2,577,281.60x = 3,556,656.84 × 1,431,361.88 - Step 4: Simplify right side
2,577,281.60x = 5,090,863,021,017.26 - Step 5: Solve for x
x = 5,090,863,021,017.26/2,577,281.60 - Step 6: Final answer
x = 1,975,283.97
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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.