Finding the Fourth Proportional to 1,939,933.18, 2,676,180.63 and 1,507,252.24
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Solution
The fourth proportional to 1,939,933.18, 2,676,180.63 and 1,507,252.24 is: 2,079,287.73
Step by Step Solution
- Step 1: Write the proportion equation
1,939,933.18 : 2,676,180.63 = 1,507,252.24 : x - Step 2: Convert to fraction form
1,939,933.18/2,676,180.63 = 1,507,252.24/x - Step 3: Cross multiply
1,939,933.18x = 2,676,180.63 × 1,507,252.24 - Step 4: Simplify right side
1,939,933.18x = 4,033,679,249,212.11 - Step 5: Solve for x
x = 4,033,679,249,212.11/1,939,933.18 - Step 6: Final answer
x = 2,079,287.73
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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.