Finding the Fourth Proportional to 3,812,406.69, 5,718,793.96 and 1,253,564.99
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Solution
The fourth proportional to 3,812,406.69, 5,718,793.96 and 1,253,564.99 is: 1,880,407.95
Step by Step Solution
- Step 1: Write the proportion equation
3,812,406.69 : 5,718,793.96 = 1,253,564.99 : x - Step 2: Convert to fraction form
3,812,406.69/5,718,793.96 = 1,253,564.99/x - Step 3: Cross multiply
3,812,406.69x = 5,718,793.96 × 1,253,564.99 - Step 4: Simplify right side
3,812,406.69x = 7,168,879,858,417.67 - Step 5: Solve for x
x = 7,168,879,858,417.67/3,812,406.69 - Step 6: Final answer
x = 1,880,407.95
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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.