Finding the Fourth Proportional to 2,552,216.40, 3,522,215.52 and 1,406,296.44
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Solution
The fourth proportional to 2,552,216.40, 3,522,215.52 and 1,406,296.44 is: 1,940,775.53
Step by Step Solution
- Step 1: Write the proportion equation
2,552,216.40 : 3,522,215.52 = 1,406,296.44 : x - Step 2: Convert to fraction form
2,552,216.40/3,522,215.52 = 1,406,296.44/x - Step 3: Cross multiply
2,552,216.40x = 3,522,215.52 × 1,406,296.44 - Step 4: Simplify right side
2,552,216.40x = 4,953,279,146,688.75 - Step 5: Solve for x
x = 4,953,279,146,688.75/2,552,216.40 - Step 6: Final answer
x = 1,940,775.53
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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.