Finding the Fourth Proportional to 5,055,865.59, 6,977,119.12 and 2,764,026.28
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Solution
The fourth proportional to 5,055,865.59, 6,977,119.12 and 2,764,026.28 is: 3,814,369.72
Step by Step Solution
- Step 1: Write the proportion equation
5,055,865.59 : 6,977,119.12 = 2,764,026.28 : x - Step 2: Convert to fraction form
5,055,865.59/6,977,119.12 = 2,764,026.28/x - Step 3: Cross multiply
5,055,865.59x = 6,977,119.12 × 2,764,026.28 - Step 4: Simplify right side
5,055,865.59x = 19,284,940,623,728.90 - Step 5: Solve for x
x = 19,284,940,623,728.90/5,055,865.59 - Step 6: Final answer
x = 3,814,369.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.