Finding the Fourth Proportional to 1,872,604.68, 2,585,979.58 and 1,770,591.68
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Solution
The fourth proportional to 1,872,604.68, 2,585,979.58 and 1,770,591.68 is: 2,445,104.39
Step by Step Solution
- Step 1: Write the proportion equation
1,872,604.68 : 2,585,979.58 = 1,770,591.68 : x - Step 2: Convert to fraction form
1,872,604.68/2,585,979.58 = 1,770,591.68/x - Step 3: Cross multiply
1,872,604.68x = 2,585,979.58 × 1,770,591.68 - Step 4: Simplify right side
1,872,604.68x = 4,578,713,928,997.89 - Step 5: Solve for x
x = 4,578,713,928,997.89/1,872,604.68 - Step 6: Final answer
x = 2,445,104.39
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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.