Finding the Fourth Proportional to 5,242,261.55, 7,852,034.62 and 2,540,935.88
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Solution
The fourth proportional to 5,242,261.55, 7,852,034.62 and 2,540,935.88 is: 3,805,898.71
Step by Step Solution
- Step 1: Write the proportion equation
5,242,261.55 : 7,852,034.62 = 2,540,935.88 : x - Step 2: Convert to fraction form
5,242,261.55/7,852,034.62 = 2,540,935.88/x - Step 3: Cross multiply
5,242,261.55x = 7,852,034.62 × 2,540,935.88 - Step 4: Simplify right side
5,242,261.55x = 19,951,516,497,467.68 - Step 5: Solve for x
x = 19,951,516,497,467.68/5,242,261.55 - Step 6: Final answer
x = 3,805,898.71
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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.