Finding the Fourth Proportional to 2,421,151.80, 3,631,727.70 and 738,252.60
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Solution
The fourth proportional to 2,421,151.80, 3,631,727.70 and 738,252.60 is: 1,107,378.90
Step by Step Solution
- Step 1: Write the proportion equation
2,421,151.80 : 3,631,727.70 = 738,252.60 : x - Step 2: Convert to fraction form
2,421,151.80/3,631,727.70 = 738,252.60/x - Step 3: Cross multiply
2,421,151.80x = 3,631,727.70 × 738,252.60 - Step 4: Simplify right side
2,421,151.80x = 2,681,132,417,017.02 - Step 5: Solve for x
x = 2,681,132,417,017.02/2,421,151.80 - Step 6: Final answer
x = 1,107,378.90
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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.