Finding the Fourth Proportional to 4,667,547.05, 6,998,555.78 and 2,428,059.05
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Solution
The fourth proportional to 4,667,547.05, 6,998,555.78 and 2,428,059.05 is: 3,640,650.33
Step by Step Solution
- Step 1: Write the proportion equation
4,667,547.05 : 6,998,555.78 = 2,428,059.05 : x - Step 2: Convert to fraction form
4,667,547.05/6,998,555.78 = 2,428,059.05/x - Step 3: Cross multiply
4,667,547.05x = 6,998,555.78 × 2,428,059.05 - Step 4: Simplify right side
4,667,547.05x = 16,992,906,686,418.51 - Step 5: Solve for x
x = 16,992,906,686,418.51/4,667,547.05 - Step 6: Final answer
x = 3,640,650.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.