Finding the Fourth Proportional to 1,512,365.88, 2,086,409.20 and 900,175.36
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Solution
The fourth proportional to 1,512,365.88, 2,086,409.20 and 900,175.36 is: 1,241,851.71
Step by Step Solution
- Step 1: Write the proportion equation
1,512,365.88 : 2,086,409.20 = 900,175.36 : x - Step 2: Convert to fraction form
1,512,365.88/2,086,409.20 = 900,175.36/x - Step 3: Cross multiply
1,512,365.88x = 2,086,409.20 × 900,175.36 - Step 4: Simplify right side
1,512,365.88x = 1,878,134,152,717.31 - Step 5: Solve for x
x = 1,878,134,152,717.31/1,512,365.88 - Step 6: Final answer
x = 1,241,851.71
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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.