Finding the Fourth Proportional to 3,190,358.66, 4,774,296.81 and 1,992,844.94
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Solution
The fourth proportional to 3,190,358.66, 4,774,296.81 and 1,992,844.94 is: 2,982,245.65
Step by Step Solution
- Step 1: Write the proportion equation
3,190,358.66 : 4,774,296.81 = 1,992,844.94 : x - Step 2: Convert to fraction form
3,190,358.66/4,774,296.81 = 1,992,844.94/x - Step 3: Cross multiply
3,190,358.66x = 4,774,296.81 × 1,992,844.94 - Step 4: Simplify right side
3,190,358.66x = 9,514,433,217,966.67 - Step 5: Solve for x
x = 9,514,433,217,966.67/3,190,358.66 - Step 6: Final answer
x = 2,982,245.65
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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.