Finding the Fourth Proportional to 3,973,715.28, 5,961,734.28 and 1,277,980.08
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Solution
The fourth proportional to 3,973,715.28, 5,961,734.28 and 1,277,980.08 is: 1,917,343.62
Step by Step Solution
- Step 1: Write the proportion equation
3,973,715.28 : 5,961,734.28 = 1,277,980.08 : x - Step 2: Convert to fraction form
3,973,715.28/5,961,734.28 = 1,277,980.08/x - Step 3: Cross multiply
3,973,715.28x = 5,961,734.28 × 1,277,980.08 - Step 4: Simplify right side
3,973,715.28x = 7,618,977,652,093.14 - Step 5: Solve for x
x = 7,618,977,652,093.14/3,973,715.28 - Step 6: Final answer
x = 1,917,343.62
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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.