Finding the Fourth Proportional to 2,239,724.73, 3,090,460.73 and 1,259,660.91
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Solution
The fourth proportional to 2,239,724.73, 3,090,460.73 and 1,259,660.91 is: 1,738,129.92
Step by Step Solution
- Step 1: Write the proportion equation
2,239,724.73 : 3,090,460.73 = 1,259,660.91 : x - Step 2: Convert to fraction form
2,239,724.73/3,090,460.73 = 1,259,660.91/x - Step 3: Cross multiply
2,239,724.73x = 3,090,460.73 × 1,259,660.91 - Step 4: Simplify right side
2,239,724.73x = 3,892,932,569,172.76 - Step 5: Solve for x
x = 3,892,932,569,172.76/2,239,724.73 - Step 6: Final answer
x = 1,738,129.92
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1.5x scale
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.