Finding the Fourth Proportional to 2,505,920.28, 3,458,169.99 and 1,360,000.62
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Solution
The fourth proportional to 2,505,920.28, 3,458,169.99 and 1,360,000.62 is: 1,876,800.86
Step by Step Solution
- Step 1: Write the proportion equation
2,505,920.28 : 3,458,169.99 = 1,360,000.62 : x - Step 2: Convert to fraction form
2,505,920.28/3,458,169.99 = 1,360,000.62/x - Step 3: Cross multiply
2,505,920.28x = 3,458,169.99 × 1,360,000.62 - Step 4: Simplify right side
2,505,920.28x = 4,703,113,330,465.39 - Step 5: Solve for x
x = 4,703,113,330,465.39/2,505,920.28 - Step 6: Final answer
x = 1,876,800.86
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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.