Finding the Fourth Proportional to 4,991,851.40, 6,888,749.90 and 2,700,006.62
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Solution
The fourth proportional to 4,991,851.40, 6,888,749.90 and 2,700,006.62 is: 3,726,006.41
Step by Step Solution
- Step 1: Write the proportion equation
4,991,851.40 : 6,888,749.90 = 2,700,006.62 : x - Step 2: Convert to fraction form
4,991,851.40/6,888,749.90 = 2,700,006.62/x - Step 3: Cross multiply
4,991,851.40x = 6,888,749.90 × 2,700,006.62 - Step 4: Simplify right side
4,991,851.40x = 18,599,670,285,580.55 - Step 5: Solve for x
x = 18,599,670,285,580.55/4,991,851.40 - Step 6: Final answer
x = 3,726,006.41
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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.