Finding the Fourth Proportional to 3,585,416.46, 4,945,698.99 and 2,134,142.70
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Solution
The fourth proportional to 3,585,416.46, 4,945,698.99 and 2,134,142.70 is: 2,943,821.87
Step by Step Solution
- Step 1: Write the proportion equation
3,585,416.46 : 4,945,698.99 = 2,134,142.70 : x - Step 2: Convert to fraction form
3,585,416.46/4,945,698.99 = 2,134,142.70/x - Step 3: Cross multiply
3,585,416.46x = 4,945,698.99 × 2,134,142.70 - Step 4: Simplify right side
3,585,416.46x = 10,554,827,395,905.88 - Step 5: Solve for x
x = 10,554,827,395,905.88/3,585,416.46 - Step 6: Final answer
x = 2,943,821.87
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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.