Finding the Fourth Proportional to 2,406,761.40, 3,321,122.22 and 1,374,264.12
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Solution
The fourth proportional to 2,406,761.40, 3,321,122.22 and 1,374,264.12 is: 1,896,365.42
Step by Step Solution
- Step 1: Write the proportion equation
2,406,761.40 : 3,321,122.22 = 1,374,264.12 : x - Step 2: Convert to fraction form
2,406,761.40/3,321,122.22 = 1,374,264.12/x - Step 3: Cross multiply
2,406,761.40x = 3,321,122.22 × 1,374,264.12 - Step 4: Simplify right side
2,406,761.40x = 4,564,099,105,080.75 - Step 5: Solve for x
x = 4,564,099,105,080.75/2,406,761.40 - Step 6: Final answer
x = 1,896,365.42
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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.