Finding the Fourth Proportional to 2,251,137.84, 3,106,546.65 and 1,218,622.34
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Solution
The fourth proportional to 2,251,137.84, 3,106,546.65 and 1,218,622.34 is: 1,681,686.06
Step by Step Solution
- Step 1: Write the proportion equation
2,251,137.84 : 3,106,546.65 = 1,218,622.34 : x - Step 2: Convert to fraction form
2,251,137.84/3,106,546.65 = 1,218,622.34/x - Step 3: Cross multiply
2,251,137.84x = 3,106,546.65 × 1,218,622.34 - Step 4: Simplify right side
2,251,137.84x = 3,785,707,132,409.43 - Step 5: Solve for x
x = 3,785,707,132,409.43/2,251,137.84 - Step 6: Final answer
x = 1,681,686.06
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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.