Finding the Fourth Proportional to 1,394,235.07, 2,091,352.65 and 448,270.09
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Solution
The fourth proportional to 1,394,235.07, 2,091,352.65 and 448,270.09 is: 672,405.15
Step by Step Solution
- Step 1: Write the proportion equation
1,394,235.07 : 2,091,352.65 = 448,270.09 : x - Step 2: Convert to fraction form
1,394,235.07/2,091,352.65 = 448,270.09/x - Step 3: Cross multiply
1,394,235.07x = 2,091,352.65 × 448,270.09 - Step 4: Simplify right side
1,394,235.07x = 937,490,840,637.24 - Step 5: Solve for x
x = 937,490,840,637.24/1,394,235.07 - Step 6: Final answer
x = 672,405.15
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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.