Finding the Fourth Proportional to 1,807,719.68, 2,494,636.80 and 991,907.84
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Solution
The fourth proportional to 1,807,719.68, 2,494,636.80 and 991,907.84 is: 1,368,823.84
Step by Step Solution
- Step 1: Write the proportion equation
1,807,719.68 : 2,494,636.80 = 991,907.84 : x - Step 2: Convert to fraction form
1,807,719.68/2,494,636.80 = 991,907.84/x - Step 3: Cross multiply
1,807,719.68x = 2,494,636.80 × 991,907.84 - Step 4: Simplify right side
1,807,719.68x = 2,474,449,799,872.51 - Step 5: Solve for x
x = 2,474,449,799,872.51/1,807,719.68 - Step 6: Final answer
x = 1,368,823.84
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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.