Finding the Fourth Proportional to 2,577,213.79, 3,556,347.60 and 1,489,555.81
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Solution
The fourth proportional to 2,577,213.79, 3,556,347.60 and 1,489,555.81 is: 2,055,467.13
Step by Step Solution
- Step 1: Write the proportion equation
2,577,213.79 : 3,556,347.60 = 1,489,555.81 : x - Step 2: Convert to fraction form
2,577,213.79/3,556,347.60 = 1,489,555.81/x - Step 3: Cross multiply
2,577,213.79x = 3,556,347.60 × 1,489,555.81 - Step 4: Simplify right side
2,577,213.79x = 5,297,378,239,990.82 - Step 5: Solve for x
x = 5,297,378,239,990.82/2,577,213.79 - Step 6: Final answer
x = 2,055,467.13
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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.