Finding the Fourth Proportional to 6,519,938.40, 9,779,907.60 and 2,260,537.20
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Solution
The fourth proportional to 6,519,938.40, 9,779,907.60 and 2,260,537.20 is: 3,390,805.80
Step by Step Solution
- Step 1: Write the proportion equation
6,519,938.40 : 9,779,907.60 = 2,260,537.20 : x - Step 2: Convert to fraction form
6,519,938.40/9,779,907.60 = 2,260,537.20/x - Step 3: Cross multiply
6,519,938.40x = 9,779,907.60 × 2,260,537.20 - Step 4: Simplify right side
6,519,938.40x = 22,107,844,942,362.72 - Step 5: Solve for x
x = 22,107,844,942,362.72/6,519,938.40 - Step 6: Final answer
x = 3,390,805.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.