Finding the Fourth Proportional to 1,515,435.08, 2,091,571.14 and 903,627.08
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Solution
The fourth proportional to 1,515,435.08, 2,091,571.14 and 903,627.08 is: 1,247,166.80
Step by Step Solution
- Step 1: Write the proportion equation
1,515,435.08 : 2,091,571.14 = 903,627.08 : x - Step 2: Convert to fraction form
1,515,435.08/2,091,571.14 = 903,627.08/x - Step 3: Cross multiply
1,515,435.08x = 2,091,571.14 × 903,627.08 - Step 4: Simplify right side
1,515,435.08x = 1,890,000,321,850.47 - Step 5: Solve for x
x = 1,890,000,321,850.47/1,515,435.08 - Step 6: Final answer
x = 1,247,166.80
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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.