Finding the Fourth Proportional to 4,783,938.12, 7,175,907.36 and 1,944,271.92
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Solution
The fourth proportional to 4,783,938.12, 7,175,907.36 and 1,944,271.92 is: 2,916,407.95
Step by Step Solution
- Step 1: Write the proportion equation
4,783,938.12 : 7,175,907.36 = 1,944,271.92 : x - Step 2: Convert to fraction form
4,783,938.12/7,175,907.36 = 1,944,271.92/x - Step 3: Cross multiply
4,783,938.12x = 7,175,907.36 × 1,944,271.92 - Step 4: Simplify right side
4,783,938.12x = 13,951,915,180,569.33 - Step 5: Solve for x
x = 13,951,915,180,569.33/4,783,938.12 - Step 6: Final answer
x = 2,916,407.95
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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.