Finding the Fourth Proportional to 2,428,879.68, 3,352,138.26 and 2,020,260.60
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Solution
The fourth proportional to 2,428,879.68, 3,352,138.26 and 2,020,260.60 is: 2,788,196.10
Step by Step Solution
- Step 1: Write the proportion equation
2,428,879.68 : 3,352,138.26 = 2,020,260.60 : x - Step 2: Convert to fraction form
2,428,879.68/3,352,138.26 = 2,020,260.60/x - Step 3: Cross multiply
2,428,879.68x = 3,352,138.26 × 2,020,260.60 - Step 4: Simplify right side
2,428,879.68x = 6,772,192,852,430.56 - Step 5: Solve for x
x = 6,772,192,852,430.56/2,428,879.68 - Step 6: Final answer
x = 2,788,196.10
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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.