Finding the Fourth Proportional to 3,888,005.05, 5,832,007.58 and 3,415,613.05
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Solution
The fourth proportional to 3,888,005.05, 5,832,007.58 and 3,415,613.05 is: 5,123,419.58
Step by Step Solution
- Step 1: Write the proportion equation
3,888,005.05 : 5,832,007.58 = 3,415,613.05 : x - Step 2: Convert to fraction form
3,888,005.05/5,832,007.58 = 3,415,613.05/x - Step 3: Cross multiply
3,888,005.05x = 5,832,007.58 × 3,415,613.05 - Step 4: Simplify right side
3,888,005.05x = 19,919,881,180,868.85 - Step 5: Solve for x
x = 19,919,881,180,868.85/3,888,005.05 - Step 6: Final answer
x = 5,123,419.58
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1.5x scale
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.