Finding the Fourth Proportional to 4,971,973.10, 7,458,120.02 and 1,377,774.68
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Solution
The fourth proportional to 4,971,973.10, 7,458,120.02 and 1,377,774.68 is: 2,066,706.46
Step by Step Solution
- Step 1: Write the proportion equation
4,971,973.10 : 7,458,120.02 = 1,377,774.68 : x - Step 2: Convert to fraction form
4,971,973.10/7,458,120.02 = 1,377,774.68/x - Step 3: Cross multiply
4,971,973.10x = 7,458,120.02 × 1,377,774.68 - Step 4: Simplify right side
4,971,973.10x = 10,275,608,923,957.09 - Step 5: Solve for x
x = 10,275,608,923,957.09/4,971,973.10 - Step 6: Final answer
x = 2,066,706.46
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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.