Finding the Fourth Proportional to 2,034,048, 2,806,986.24 and 1,128,775.68
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Solution
The fourth proportional to 2,034,048, 2,806,986.24 and 1,128,775.68 is: 1,557,710.44
Step by Step Solution
- Step 1: Write the proportion equation
2,034,048 : 2,806,986.24 = 1,128,775.68 : x - Step 2: Convert to fraction form
2,034,048/2,806,986.24 = 1,128,775.68/x - Step 3: Cross multiply
2,034,048x = 2,806,986.24 × 1,128,775.68 - Step 4: Simplify right side
2,034,048x = 3,168,457,801,806.64 - Step 5: Solve for x
x = 3,168,457,801,806.64/2,034,048 - Step 6: Final answer
x = 1,557,710.44
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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.