Finding the Fourth Proportional to 6,307,892.21, 8,704,894.74 and 3,407,283.09
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Solution
The fourth proportional to 6,307,892.21, 8,704,894.74 and 3,407,283.09 is: 4,702,052.55
Step by Step Solution
- Step 1: Write the proportion equation
6,307,892.21 : 8,704,894.74 = 3,407,283.09 : x - Step 2: Convert to fraction form
6,307,892.21/8,704,894.74 = 3,407,283.09/x - Step 3: Cross multiply
6,307,892.21x = 8,704,894.74 × 3,407,283.09 - Step 4: Simplify right side
6,307,892.21x = 29,660,040,647,831.95 - Step 5: Solve for x
x = 29,660,040,647,831.95/6,307,892.21 - Step 6: Final answer
x = 4,702,052.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.