Finding the Fourth Proportional to 1,807,431.08, 2,494,280.35 and 991,619.94
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Solution
The fourth proportional to 1,807,431.08, 2,494,280.35 and 991,619.94 is: 1,368,449.48
Step by Step Solution
- Step 1: Write the proportion equation
1,807,431.08 : 2,494,280.35 = 991,619.94 : x - Step 2: Convert to fraction form
1,807,431.08/2,494,280.35 = 991,619.94/x - Step 3: Cross multiply
1,807,431.08x = 2,494,280.35 × 991,619.94 - Step 4: Simplify right side
1,807,431.08x = 2,473,378,131,348.62 - Step 5: Solve for x
x = 2,473,378,131,348.62/1,807,431.08 - Step 6: Final answer
x = 1,368,449.48
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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.