Finding the Fourth Proportional to 1,888,486.02, 2,606,029.11 and 1,072,687.14
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Solution
The fourth proportional to 1,888,486.02, 2,606,029.11 and 1,072,687.14 is: 1,480,261.90
Step by Step Solution
- Step 1: Write the proportion equation
1,888,486.02 : 2,606,029.11 = 1,072,687.14 : x - Step 2: Convert to fraction form
1,888,486.02/2,606,029.11 = 1,072,687.14/x - Step 3: Cross multiply
1,888,486.02x = 2,606,029.11 × 1,072,687.14 - Step 4: Simplify right side
1,888,486.02x = 2,795,453,912,762.65 - Step 5: Solve for x
x = 2,795,453,912,762.65/1,888,486.02 - Step 6: Final answer
x = 1,480,261.90
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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.