Finding the Fourth Proportional to 5,743,553.32, 8,615,680.44 and 1,853,405.20
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Solution
The fourth proportional to 5,743,553.32, 8,615,680.44 and 1,853,405.20 is: 2,780,220.89
Step by Step Solution
- Step 1: Write the proportion equation
5,743,553.32 : 8,615,680.44 = 1,853,405.20 : x - Step 2: Convert to fraction form
5,743,553.32/8,615,680.44 = 1,853,405.20/x - Step 3: Cross multiply
5,743,553.32x = 8,615,680.44 × 1,853,405.20 - Step 4: Simplify right side
5,743,553.32x = 15,968,346,929,034.29 - Step 5: Solve for x
x = 15,968,346,929,034.29/5,743,553.32 - Step 6: Final answer
x = 2,780,220.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.