Finding the Fourth Proportional to 2,138,929.99, 2,951,723.38 and 1,233,511.99
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Solution
The fourth proportional to 2,138,929.99, 2,951,723.38 and 1,233,511.99 is: 1,702,246.54
Step by Step Solution
- Step 1: Write the proportion equation
2,138,929.99 : 2,951,723.38 = 1,233,511.99 : x - Step 2: Convert to fraction form
2,138,929.99/2,951,723.38 = 1,233,511.99/x - Step 3: Cross multiply
2,138,929.99x = 2,951,723.38 × 1,233,511.99 - Step 4: Simplify right side
2,138,929.99x = 3,640,986,188,846.52 - Step 5: Solve for x
x = 3,640,986,188,846.52/2,138,929.99 - Step 6: Final answer
x = 1,702,246.54
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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.