Finding the Fourth Proportional to 1,807,724.28, 2,494,576.14 and 991,908.12
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Solution
The fourth proportional to 1,807,724.28, 2,494,576.14 and 991,908.12 is: 1,368,787.46
Step by Step Solution
- Step 1: Write the proportion equation
1,807,724.28 : 2,494,576.14 = 991,908.12 : x - Step 2: Convert to fraction form
1,807,724.28/2,494,576.14 = 991,908.12/x - Step 3: Cross multiply
1,807,724.28x = 2,494,576.14 × 991,908.12 - Step 4: Simplify right side
1,807,724.28x = 2,474,390,329,224.26 - Step 5: Solve for x
x = 2,474,390,329,224.26/1,807,724.28 - Step 6: Final answer
x = 1,368,787.46
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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.