Finding the Fourth Proportional to 2,348,879.79, 3,241,398.97 and 1,382,072.70
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Solution
The fourth proportional to 2,348,879.79, 3,241,398.97 and 1,382,072.70 is: 1,907,227.88
Step by Step Solution
- Step 1: Write the proportion equation
2,348,879.79 : 3,241,398.97 = 1,382,072.70 : x - Step 2: Convert to fraction form
2,348,879.79/3,241,398.97 = 1,382,072.70/x - Step 3: Cross multiply
2,348,879.79x = 3,241,398.97 × 1,382,072.70 - Step 4: Simplify right side
2,348,879.79x = 4,479,849,003,127.76 - Step 5: Solve for x
x = 4,479,849,003,127.76/2,348,879.79 - Step 6: Final answer
x = 1,907,227.88
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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.