Finding the Fourth Proportional to 3,784,029.84, 5,672,670.06 and 1,387,315.98
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Solution
The fourth proportional to 3,784,029.84, 5,672,670.06 and 1,387,315.98 is: 2,079,736.72
Step by Step Solution
- Step 1: Write the proportion equation
3,784,029.84 : 5,672,670.06 = 1,387,315.98 : x - Step 2: Convert to fraction form
3,784,029.84/5,672,670.06 = 1,387,315.98/x - Step 3: Cross multiply
3,784,029.84x = 5,672,670.06 × 1,387,315.98 - Step 4: Simplify right side
3,784,029.84x = 7,869,785,823,505.56 - Step 5: Solve for x
x = 7,869,785,823,505.56/3,784,029.84 - Step 6: Final answer
x = 2,079,736.72
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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.