Finding the Fourth Proportional to 5,556,734.78, 8,335,055.36 and 4,343,332.05
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Solution
The fourth proportional to 5,556,734.78, 8,335,055.36 and 4,343,332.05 is: 6,514,961.49
Step by Step Solution
- Step 1: Write the proportion equation
5,556,734.78 : 8,335,055.36 = 4,343,332.05 : x - Step 2: Convert to fraction form
5,556,734.78/8,335,055.36 = 4,343,332.05/x - Step 3: Cross multiply
5,556,734.78x = 8,335,055.36 × 4,343,332.05 - Step 4: Simplify right side
5,556,734.78x = 36,201,913,061,895.62 - Step 5: Solve for x
x = 36,201,913,061,895.62/5,556,734.78 - Step 6: Final answer
x = 6,514,961.49
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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.