Finding the Fourth Proportional to 1,739,121.30, 2,436,428.70 and 1,739,121.30
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Solution
The fourth proportional to 1,739,121.30, 2,436,428.70 and 1,739,121.30 is: 2,436,428.70
Step by Step Solution
- Step 1: Write the proportion equation
1,739,121.30 : 2,436,428.70 = 1,739,121.30 : x - Step 2: Convert to fraction form
1,739,121.30/2,436,428.70 = 1,739,121.30/x - Step 3: Cross multiply
1,739,121.30x = 2,436,428.70 × 1,739,121.30 - Step 4: Simplify right side
1,739,121.30x = 4,237,245,048,101.31 - Step 5: Solve for x
x = 4,237,245,048,101.31/1,739,121.30 - Step 6: Final answer
x = 2,436,428.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.