Finding the Fourth Proportional to 2,029,455.88, 2,800,694.34 and 1,158,273.08
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Solution
The fourth proportional to 2,029,455.88, 2,800,694.34 and 1,158,273.08 is: 1,598,442.66
Step by Step Solution
- Step 1: Write the proportion equation
2,029,455.88 : 2,800,694.34 = 1,158,273.08 : x - Step 2: Convert to fraction form
2,029,455.88/2,800,694.34 = 1,158,273.08/x - Step 3: Cross multiply
2,029,455.88x = 2,800,694.34 × 1,158,273.08 - Step 4: Simplify right side
2,029,455.88x = 3,243,968,859,330.37 - Step 5: Solve for x
x = 3,243,968,859,330.37/2,029,455.88 - Step 6: Final answer
x = 1,598,442.66
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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.