Finding the Fourth Proportional to 2,929,824.42, 4,042,961.69 and 1,622,987.97
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Solution
The fourth proportional to 2,929,824.42, 4,042,961.69 and 1,622,987.97 is: 2,239,614.82
Step by Step Solution
- Step 1: Write the proportion equation
2,929,824.42 : 4,042,961.69 = 1,622,987.97 : x - Step 2: Convert to fraction form
2,929,824.42/4,042,961.69 = 1,622,987.97/x - Step 3: Cross multiply
2,929,824.42x = 4,042,961.69 × 1,622,987.97 - Step 4: Simplify right side
2,929,824.42x = 6,561,678,177,925.93 - Step 5: Solve for x
x = 6,561,678,177,925.93/2,929,824.42 - Step 6: Final answer
x = 2,239,614.82
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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.