Finding the Fourth Proportional to 1,405,293.94, 2,107,933.86 and 340,335.97
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Solution
The fourth proportional to 1,405,293.94, 2,107,933.86 and 340,335.97 is: 510,502.25
Step by Step Solution
- Step 1: Write the proportion equation
1,405,293.94 : 2,107,933.86 = 340,335.97 : x - Step 2: Convert to fraction form
1,405,293.94/2,107,933.86 = 340,335.97/x - Step 3: Cross multiply
1,405,293.94x = 2,107,933.86 × 340,335.97 - Step 4: Simplify right side
1,405,293.94x = 717,405,714,938.94 - Step 5: Solve for x
x = 717,405,714,938.94/1,405,293.94 - Step 6: Final answer
x = 510,502.25
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.