Finding the Fourth Proportional to 6,660,901.49, 9,991,345.79 and 2,507,078.81
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Solution
The fourth proportional to 6,660,901.49, 9,991,345.79 and 2,507,078.81 is: 3,760,615.80
Step by Step Solution
- Step 1: Write the proportion equation
6,660,901.49 : 9,991,345.79 = 2,507,078.81 : x - Step 2: Convert to fraction form
6,660,901.49/9,991,345.79 = 2,507,078.81/x - Step 3: Cross multiply
6,660,901.49x = 9,991,345.79 × 2,507,078.81 - Step 4: Simplify right side
6,660,901.49x = 25,049,091,344,737.77 - Step 5: Solve for x
x = 25,049,091,344,737.77/6,660,901.49 - Step 6: Final answer
x = 3,760,615.80
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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.