Finding the Fourth Proportional to 7,610,900.55, 11,415,243.65 and 2,218,103.00
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Solution
The fourth proportional to 7,610,900.55, 11,415,243.65 and 2,218,103.00 is: 3,326,831.83
Step by Step Solution
- Step 1: Write the proportion equation
7,610,900.55 : 11,415,243.65 = 2,218,103.00 : x - Step 2: Convert to fraction form
7,610,900.55/11,415,243.65 = 2,218,103.00/x - Step 3: Cross multiply
7,610,900.55x = 11,415,243.65 × 2,218,103.00 - Step 4: Simplify right side
7,610,900.55x = 25,320,186,160,436.38 - Step 5: Solve for x
x = 25,320,186,160,436.38/7,610,900.55 - Step 6: Final answer
x = 3,326,831.83
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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.