Finding the Fourth Proportional to 2,552,527.60, 3,522,442.47 and 1,390,983.95
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Solution
The fourth proportional to 2,552,527.60, 3,522,442.47 and 1,390,983.95 is: 1,919,532.99
Step by Step Solution
- Step 1: Write the proportion equation
2,552,527.60 : 3,522,442.47 = 1,390,983.95 : x - Step 2: Convert to fraction form
2,552,527.60/3,522,442.47 = 1,390,983.95/x - Step 3: Cross multiply
2,552,527.60x = 3,522,442.47 × 1,390,983.95 - Step 4: Simplify right side
2,552,527.60x = 4,899,660,940,568.36 - Step 5: Solve for x
x = 4,899,660,940,568.36/2,552,527.60 - Step 6: Final answer
x = 1,919,532.99
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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.