Finding the Fourth Proportional to 3,042,184.48, 4,198,215.80 and 1,665,617.40
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Solution
The fourth proportional to 3,042,184.48, 4,198,215.80 and 1,665,617.40 is: 2,298,552.68
Step by Step Solution
- Step 1: Write the proportion equation
3,042,184.48 : 4,198,215.80 = 1,665,617.40 : x - Step 2: Convert to fraction form
3,042,184.48/4,198,215.80 = 1,665,617.40/x - Step 3: Cross multiply
3,042,184.48x = 4,198,215.80 × 1,665,617.40 - Step 4: Simplify right side
3,042,184.48x = 6,992,621,285,434.92 - Step 5: Solve for x
x = 6,992,621,285,434.92/3,042,184.48 - Step 6: Final answer
x = 2,298,552.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.