Finding the Fourth Proportional to 5,256,926.40, 7,874,330.40 and 4,372,190.40
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Solution
The fourth proportional to 5,256,926.40, 7,874,330.40 and 4,372,190.40 is: 6,549,087.65
Step by Step Solution
- Step 1: Write the proportion equation
5,256,926.40 : 7,874,330.40 = 4,372,190.40 : x - Step 2: Convert to fraction form
5,256,926.40/7,874,330.40 = 4,372,190.40/x - Step 3: Cross multiply
5,256,926.40x = 7,874,330.40 × 4,372,190.40 - Step 4: Simplify right side
5,256,926.40x = 34,428,071,781,308.16 - Step 5: Solve for x
x = 34,428,071,781,308.16/5,256,926.40 - Step 6: Final answer
x = 6,549,087.65
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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.