Finding the Fourth Proportional to 2,642,382.96, 3,646,468.44 and 1,435,167.60
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Solution
The fourth proportional to 2,642,382.96, 3,646,468.44 and 1,435,167.60 is: 1,980,520.40
Step by Step Solution
- Step 1: Write the proportion equation
2,642,382.96 : 3,646,468.44 = 1,435,167.60 : x - Step 2: Convert to fraction form
2,642,382.96/3,646,468.44 = 1,435,167.60/x - Step 3: Cross multiply
2,642,382.96x = 3,646,468.44 × 1,435,167.60 - Step 4: Simplify right side
2,642,382.96x = 5,233,293,359,510.54 - Step 5: Solve for x
x = 5,233,293,359,510.54/2,642,382.96 - Step 6: Final answer
x = 1,980,520.40
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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.