Finding the Fourth Proportional to 6,463,831.56, 9,706,729.68 and 4,318,641.88
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Solution
The fourth proportional to 6,463,831.56, 9,706,729.68 and 4,318,641.88 is: 6,485,300.39
Step by Step Solution
- Step 1: Write the proportion equation
6,463,831.56 : 9,706,729.68 = 4,318,641.88 : x - Step 2: Convert to fraction form
6,463,831.56/9,706,729.68 = 4,318,641.88/x - Step 3: Cross multiply
6,463,831.56x = 9,706,729.68 × 4,318,641.88 - Step 4: Simplify right side
6,463,831.56x = 41,919,889,313,886.99 - Step 5: Solve for x
x = 41,919,889,313,886.99/6,463,831.56 - Step 6: Final answer
x = 6,485,300.39
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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.