Finding the Fourth Proportional to 2,273,099.17, 3,135,892.86 and 1,390,087.09
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Solution
The fourth proportional to 2,273,099.17, 3,135,892.86 and 1,390,087.09 is: 1,917,718.43
Step by Step Solution
- Step 1: Write the proportion equation
2,273,099.17 : 3,135,892.86 = 1,390,087.09 : x - Step 2: Convert to fraction form
2,273,099.17/3,135,892.86 = 1,390,087.09/x - Step 3: Cross multiply
2,273,099.17x = 3,135,892.86 × 1,390,087.09 - Step 4: Simplify right side
2,273,099.17x = 4,359,164,180,309.18 - Step 5: Solve for x
x = 4,359,164,180,309.18/2,273,099.17 - Step 6: Final answer
x = 1,917,718.43
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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.