Finding the Fourth Proportional to 4,138,449.30, 6,207,936.35 and 1,298,673.54
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Solution
The fourth proportional to 4,138,449.30, 6,207,936.35 and 1,298,673.54 is: 1,948,092.65
Step by Step Solution
- Step 1: Write the proportion equation
4,138,449.30 : 6,207,936.35 = 1,298,673.54 : x - Step 2: Convert to fraction form
4,138,449.30/6,207,936.35 = 1,298,673.54/x - Step 3: Cross multiply
4,138,449.30x = 6,207,936.35 × 1,298,673.54 - Step 4: Simplify right side
4,138,449.30x = 8,062,082,669,255.81 - Step 5: Solve for x
x = 8,062,082,669,255.81/4,138,449.30 - Step 6: Final answer
x = 1,948,092.65
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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.