Finding the Fourth Proportional to 3,462,704.84, 4,781,596.70 and 2,158,183.26
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Solution
The fourth proportional to 3,462,704.84, 4,781,596.70 and 2,158,183.26 is: 2,980,202.60
Step by Step Solution
- Step 1: Write the proportion equation
3,462,704.84 : 4,781,596.70 = 2,158,183.26 : x - Step 2: Convert to fraction form
3,462,704.84/4,781,596.70 = 2,158,183.26/x - Step 3: Cross multiply
3,462,704.84x = 4,781,596.70 × 2,158,183.26 - Step 4: Simplify right side
3,462,704.84x = 10,319,561,959,406.70 - Step 5: Solve for x
x = 10,319,561,959,406.70/3,462,704.84 - Step 6: Final answer
x = 2,980,202.60
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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.