Finding the Fourth Proportional to 3,107,972.74, 4,289,046.66 and 1,783,612.07
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Solution
The fourth proportional to 3,107,972.74, 4,289,046.66 and 1,783,612.07 is: 2,461,410.07
Step by Step Solution
- Step 1: Write the proportion equation
3,107,972.74 : 4,289,046.66 = 1,783,612.07 : x - Step 2: Convert to fraction form
3,107,972.74/4,289,046.66 = 1,783,612.07/x - Step 3: Cross multiply
3,107,972.74x = 4,289,046.66 × 1,783,612.07 - Step 4: Simplify right side
3,107,972.74x = 7,649,995,391,569.19 - Step 5: Solve for x
x = 7,649,995,391,569.19/3,107,972.74 - Step 6: Final answer
x = 2,461,410.07
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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.