Finding the Fourth Proportional to 6,247,851.84, 9,361,079.28 and 3,409,955.28
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Solution
The fourth proportional to 6,247,851.84, 9,361,079.28 and 3,409,955.28 is: 5,109,093.90
Step by Step Solution
- Step 1: Write the proportion equation
6,247,851.84 : 9,361,079.28 = 3,409,955.28 : x - Step 2: Convert to fraction form
6,247,851.84/9,361,079.28 = 3,409,955.28/x - Step 3: Cross multiply
6,247,851.84x = 9,361,079.28 × 3,409,955.28 - Step 4: Simplify right side
6,247,851.84x = 31,920,861,717,334.59 - Step 5: Solve for x
x = 31,920,861,717,334.59/6,247,851.84 - Step 6: Final answer
x = 5,109,093.90
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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.