Finding the Fourth Proportional to 1,102,197.64, 1,520,851.62 and 649,427.08
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Solution
The fourth proportional to 1,102,197.64, 1,520,851.62 and 649,427.08 is: 896,102.65
Step by Step Solution
- Step 1: Write the proportion equation
1,102,197.64 : 1,520,851.62 = 649,427.08 : x - Step 2: Convert to fraction form
1,102,197.64/1,520,851.62 = 649,427.08/x - Step 3: Cross multiply
1,102,197.64x = 1,520,851.62 × 649,427.08 - Step 4: Simplify right side
1,102,197.64x = 987,682,226,689.87 - Step 5: Solve for x
x = 987,682,226,689.87/1,102,197.64 - Step 6: Final answer
x = 896,102.65
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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.