Finding the Fourth Proportional to 2,251,194.08, 3,106,624.16 and 1,218,678.72
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Solution
The fourth proportional to 2,251,194.08, 3,106,624.16 and 1,218,678.72 is: 1,681,763.82
Step by Step Solution
- Step 1: Write the proportion equation
2,251,194.08 : 3,106,624.16 = 1,218,678.72 : x - Step 2: Convert to fraction form
2,251,194.08/3,106,624.16 = 1,218,678.72/x - Step 3: Cross multiply
2,251,194.08x = 3,106,624.16 × 1,218,678.72 - Step 4: Simplify right side
2,251,194.08x = 3,785,976,754,829.88 - Step 5: Solve for x
x = 3,785,976,754,829.88/2,251,194.08 - Step 6: Final answer
x = 1,681,763.82
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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.