Finding the Fourth Proportional to 4,138,448.05, 6,207,934.47 and 1,298,672.29
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Solution
The fourth proportional to 4,138,448.05, 6,207,934.47 and 1,298,672.29 is: 1,948,090.78
Step by Step Solution
- Step 1: Write the proportion equation
4,138,448.05 : 6,207,934.47 = 1,298,672.29 : x - Step 2: Convert to fraction form
4,138,448.05/6,207,934.47 = 1,298,672.29/x - Step 3: Cross multiply
4,138,448.05x = 6,207,934.47 × 1,298,672.29 - Step 4: Simplify right side
4,138,448.05x = 8,062,072,474,324.84 - Step 5: Solve for x
x = 8,062,072,474,324.84/4,138,448.05 - Step 6: Final answer
x = 1,948,090.78
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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.