Finding the Fourth Proportional to 2,542,512.96, 3,508,688.70 and 1,396,618.92
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Solution
The fourth proportional to 2,542,512.96, 3,508,688.70 and 1,396,618.92 is: 1,927,345.54
Step by Step Solution
- Step 1: Write the proportion equation
2,542,512.96 : 3,508,688.70 = 1,396,618.92 : x - Step 2: Convert to fraction form
2,542,512.96/3,508,688.70 = 1,396,618.92/x - Step 3: Cross multiply
2,542,512.96x = 3,508,688.70 × 1,396,618.92 - Step 4: Simplify right side
2,542,512.96x = 4,900,301,022,810.20 - Step 5: Solve for x
x = 4,900,301,022,810.20/2,542,512.96 - Step 6: Final answer
x = 1,927,345.54
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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.