Finding the Fourth Proportional to 4,215,969.76, 6,323,969.56 and 1,021,098.08
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Solution
The fourth proportional to 4,215,969.76, 6,323,969.56 and 1,021,098.08 is: 1,531,650.73
Step by Step Solution
- Step 1: Write the proportion equation
4,215,969.76 : 6,323,969.56 = 1,021,098.08 : x - Step 2: Convert to fraction form
4,215,969.76/6,323,969.56 = 1,021,098.08/x - Step 3: Cross multiply
4,215,969.76x = 6,323,969.56 × 1,021,098.08 - Step 4: Simplify right side
4,215,969.76x = 6,457,393,175,694.44 - Step 5: Solve for x
x = 6,457,393,175,694.44/4,215,969.76 - Step 6: Final answer
x = 1,531,650.73
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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.