Finding the Fourth Proportional to 1,512,670.21, 2,087,485.33 and 824,342.26
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Solution
The fourth proportional to 1,512,670.21, 2,087,485.33 and 824,342.26 is: 1,137,592.56
Step by Step Solution
- Step 1: Write the proportion equation
1,512,670.21 : 2,087,485.33 = 824,342.26 : x - Step 2: Convert to fraction form
1,512,670.21/2,087,485.33 = 824,342.26/x - Step 3: Cross multiply
1,512,670.21x = 2,087,485.33 × 824,342.26 - Step 4: Simplify right side
1,512,670.21x = 1,720,802,367,369.48 - Step 5: Solve for x
x = 1,720,802,367,369.48/1,512,670.21 - Step 6: Final answer
x = 1,137,592.56
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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.