Finding the Fourth Proportional to 4,412,120.77, 6,618,562.36 and 1,217,246.95
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Solution
The fourth proportional to 4,412,120.77, 6,618,562.36 and 1,217,246.95 is: 1,825,975.59
Step by Step Solution
- Step 1: Write the proportion equation
4,412,120.77 : 6,618,562.36 = 1,217,246.95 : x - Step 2: Convert to fraction form
4,412,120.77/6,618,562.36 = 1,217,246.95/x - Step 3: Cross multiply
4,412,120.77x = 6,618,562.36 × 1,217,246.95 - Step 4: Simplify right side
4,412,120.77x = 8,056,424,826,505.28 - Step 5: Solve for x
x = 8,056,424,826,505.28/4,412,120.77 - Step 6: Final answer
x = 1,825,975.59
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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.