Finding the Fourth Proportional to 1,512,343.84, 2,087,081.76 and 867,881.92
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Solution
The fourth proportional to 1,512,343.84, 2,087,081.76 and 867,881.92 is: 1,197,704.17
Step by Step Solution
- Step 1: Write the proportion equation
1,512,343.84 : 2,087,081.76 = 867,881.92 : x - Step 2: Convert to fraction form
1,512,343.84/2,087,081.76 = 867,881.92/x - Step 3: Cross multiply
1,512,343.84x = 2,087,081.76 × 867,881.92 - Step 4: Simplify right side
1,512,343.84x = 1,811,340,525,065.78 - Step 5: Solve for x
x = 1,811,340,525,065.78/1,512,343.84 - Step 6: Final answer
x = 1,197,704.17
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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.