Finding the Fourth Proportional to 1,146,347.64, 1,582,134.12 and 825,121.08
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Solution
The fourth proportional to 1,146,347.64, 1,582,134.12 and 825,121.08 is: 1,138,792.60
Step by Step Solution
- Step 1: Write the proportion equation
1,146,347.64 : 1,582,134.12 = 825,121.08 : x - Step 2: Convert to fraction form
1,146,347.64/1,582,134.12 = 825,121.08/x - Step 3: Cross multiply
1,146,347.64x = 1,582,134.12 × 825,121.08 - Step 4: Simplify right side
1,146,347.64x = 1,305,452,213,799.25 - Step 5: Solve for x
x = 1,305,452,213,799.25/1,146,347.64 - Step 6: Final answer
x = 1,138,792.60
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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.