Finding the Fourth Proportional to 1,501,744.92, 2,239,221.86 and 1,334,833.08
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Solution
The fourth proportional to 1,501,744.92, 2,239,221.86 and 1,334,833.08 is: 1,990,342.94
Step by Step Solution
- Step 1: Write the proportion equation
1,501,744.92 : 2,239,221.86 = 1,334,833.08 : x - Step 2: Convert to fraction form
1,501,744.92/2,239,221.86 = 1,334,833.08/x - Step 3: Cross multiply
1,501,744.92x = 2,239,221.86 × 1,334,833.08 - Step 4: Simplify right side
1,501,744.92x = 2,988,987,405,512.96 - Step 5: Solve for x
x = 2,988,987,405,512.96/1,501,744.92 - Step 6: Final answer
x = 1,990,342.94
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.