Finding the Fourth Proportional to 2,979,490.56, 4,468,101.44 and 1,765,409.79
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Solution
The fourth proportional to 2,979,490.56, 4,468,101.44 and 1,765,409.79 is: 2,647,442.52
Step by Step Solution
- Step 1: Write the proportion equation
2,979,490.56 : 4,468,101.44 = 1,765,409.79 : x - Step 2: Convert to fraction form
2,979,490.56/4,468,101.44 = 1,765,409.79/x - Step 3: Cross multiply
2,979,490.56x = 4,468,101.44 × 1,765,409.79 - Step 4: Simplify right side
2,979,490.56x = 7,888,029,999,306.67 - Step 5: Solve for x
x = 7,888,029,999,306.67/2,979,490.56 - Step 6: Final answer
x = 2,647,442.52
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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.