Finding the Fourth Proportional to 1,512,689.42, 2,087,614.67 and 924,240.80
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Solution
The fourth proportional to 1,512,689.42, 2,087,614.67 and 924,240.80 is: 1,275,515.40
Step by Step Solution
- Step 1: Write the proportion equation
1,512,689.42 : 2,087,614.67 = 924,240.80 : x - Step 2: Convert to fraction form
1,512,689.42/2,087,614.67 = 924,240.80/x - Step 3: Cross multiply
1,512,689.42x = 2,087,614.67 × 924,240.80 - Step 4: Simplify right side
1,512,689.42x = 1,929,458,653,290.37 - Step 5: Solve for x
x = 1,929,458,653,290.37/1,512,689.42 - Step 6: Final answer
x = 1,275,515.40
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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.