Finding the Fourth Proportional to 2,791,825.29, 3,852,634.99 and 1,551,431.43
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Solution
The fourth proportional to 2,791,825.29, 3,852,634.99 and 1,551,431.43 is: 2,140,928.74
Step by Step Solution
- Step 1: Write the proportion equation
2,791,825.29 : 3,852,634.99 = 1,551,431.43 : x - Step 2: Convert to fraction form
2,791,825.29/3,852,634.99 = 1,551,431.43/x - Step 3: Cross multiply
2,791,825.29x = 3,852,634.99 × 1,551,431.43 - Step 4: Simplify right side
2,791,825.29x = 5,977,099,011,803.74 - Step 5: Solve for x
x = 5,977,099,011,803.74/2,791,825.29 - Step 6: Final answer
x = 2,140,928.74
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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.