Finding the Fourth Proportional to 5,398,580.78, 8,097,886.53 and 1,560,715.62
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Solution
The fourth proportional to 5,398,580.78, 8,097,886.53 and 1,560,715.62 is: 2,341,077.87
Step by Step Solution
- Step 1: Write the proportion equation
5,398,580.78 : 8,097,886.53 = 1,560,715.62 : x - Step 2: Convert to fraction form
5,398,580.78/8,097,886.53 = 1,560,715.62/x - Step 3: Cross multiply
5,398,580.78x = 8,097,886.53 × 1,560,715.62 - Step 4: Simplify right side
5,398,580.78x = 12,638,497,996,358.60 - Step 5: Solve for x
x = 12,638,497,996,358.60/5,398,580.78 - Step 6: Final answer
x = 2,341,077.87
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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.