Finding the Fourth Proportional to 2,230,888.16, 3,078,617.44 and 1,264,202.56
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Solution
The fourth proportional to 2,230,888.16, 3,078,617.44 and 1,264,202.56 is: 1,744,594.87
Step by Step Solution
- Step 1: Write the proportion equation
2,230,888.16 : 3,078,617.44 = 1,264,202.56 : x - Step 2: Convert to fraction form
2,230,888.16/3,078,617.44 = 1,264,202.56/x - Step 3: Cross multiply
2,230,888.16x = 3,078,617.44 × 1,264,202.56 - Step 4: Simplify right side
2,230,888.16x = 3,891,996,048,908.65 - Step 5: Solve for x
x = 3,891,996,048,908.65/2,230,888.16 - Step 6: Final answer
x = 1,744,594.87
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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.