Finding the Fourth Proportional to 3,107,812.24, 4,289,108.52 and 1,819,069.84
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Solution
The fourth proportional to 3,107,812.24, 4,289,108.52 and 1,819,069.84 is: 2,510,508.15
Step by Step Solution
- Step 1: Write the proportion equation
3,107,812.24 : 4,289,108.52 = 1,819,069.84 : x - Step 2: Convert to fraction form
3,107,812.24/4,289,108.52 = 1,819,069.84/x - Step 3: Cross multiply
3,107,812.24x = 4,289,108.52 × 1,819,069.84 - Step 4: Simplify right side
3,107,812.24x = 7,802,187,949,219.04 - Step 5: Solve for x
x = 7,802,187,949,219.04/3,107,812.24 - Step 6: Final answer
x = 2,510,508.15
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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.