Finding the Fourth Proportional to 2,257,642.67, 3,387,412.76 and 1,405,427.18
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Solution
The fourth proportional to 2,257,642.67, 3,387,412.76 and 1,405,427.18 is: 2,108,731.38
Step by Step Solution
- Step 1: Write the proportion equation
2,257,642.67 : 3,387,412.76 = 1,405,427.18 : x - Step 2: Convert to fraction form
2,257,642.67/3,387,412.76 = 1,405,427.18/x - Step 3: Cross multiply
2,257,642.67x = 3,387,412.76 × 1,405,427.18 - Step 4: Simplify right side
2,257,642.67x = 4,760,761,938,818.62 - Step 5: Solve for x
x = 4,760,761,938,818.62/2,257,642.67 - Step 6: Final answer
x = 2,108,731.38
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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.