Finding the Fourth Proportional to 7,897,830.75, 11,837,790.36 and 3,629,178.54
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Solution
The fourth proportional to 7,897,830.75, 11,837,790.36 and 3,629,178.54 is: 5,439,652.49
Step by Step Solution
- Step 1: Write the proportion equation
7,897,830.75 : 11,837,790.36 = 3,629,178.54 : x - Step 2: Convert to fraction form
7,897,830.75/11,837,790.36 = 3,629,178.54/x - Step 3: Cross multiply
7,897,830.75x = 11,837,790.36 × 3,629,178.54 - Step 4: Simplify right side
7,897,830.75x = 42,961,454,735,530.88 - Step 5: Solve for x
x = 42,961,454,735,530.88/7,897,830.75 - Step 6: Final answer
x = 5,439,652.49
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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.