Finding the Fourth Proportional to 1,627,141.12, 2,245,347.84 and 911,610.88
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Solution
The fourth proportional to 1,627,141.12, 2,245,347.84 and 911,610.88 is: 1,257,963.12
Step by Step Solution
- Step 1: Write the proportion equation
1,627,141.12 : 2,245,347.84 = 911,610.88 : x - Step 2: Convert to fraction form
1,627,141.12/2,245,347.84 = 911,610.88/x - Step 3: Cross multiply
1,627,141.12x = 2,245,347.84 × 911,610.88 - Step 4: Simplify right side
1,627,141.12x = 2,046,883,520,328.50 - Step 5: Solve for x
x = 2,046,883,520,328.50/1,627,141.12 - Step 6: Final answer
x = 1,257,963.12
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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.