Finding the Fourth Proportional to 2,975,977.78, 4,106,883.84 and 1,651,428.70
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Solution
The fourth proportional to 2,975,977.78, 4,106,883.84 and 1,651,428.70 is: 2,278,990.75
Step by Step Solution
- Step 1: Write the proportion equation
2,975,977.78 : 4,106,883.84 = 1,651,428.70 : x - Step 2: Convert to fraction form
2,975,977.78/4,106,883.84 = 1,651,428.70/x - Step 3: Cross multiply
2,975,977.78x = 4,106,883.84 × 1,651,428.70 - Step 4: Simplify right side
2,975,977.78x = 6,782,225,840,942.21 - Step 5: Solve for x
x = 6,782,225,840,942.21/2,975,977.78 - Step 6: Final answer
x = 2,278,990.75
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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.