Finding the Fourth Proportional to 1,491,909.80, 2,239,816.02 and 885,804.62
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Solution
The fourth proportional to 1,491,909.80, 2,239,816.02 and 885,804.62 is: 1,329,865.50
Step by Step Solution
- Step 1: Write the proportion equation
1,491,909.80 : 2,239,816.02 = 885,804.62 : x - Step 2: Convert to fraction form
1,491,909.80/2,239,816.02 = 885,804.62/x - Step 3: Cross multiply
1,491,909.80x = 2,239,816.02 × 885,804.62 - Step 4: Simplify right side
1,491,909.80x = 1,984,039,378,466.01 - Step 5: Solve for x
x = 1,984,039,378,466.01/1,491,909.80 - Step 6: Final answer
x = 1,329,865.50
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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.