Finding the Fourth Proportional to 2,121,037.56, 2,929,984.04 and 2,042,293.48
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Solution
The fourth proportional to 2,121,037.56, 2,929,984.04 and 2,042,293.48 is: 2,821,207.61
Step by Step Solution
- Step 1: Write the proportion equation
2,121,037.56 : 2,929,984.04 = 2,042,293.48 : x - Step 2: Convert to fraction form
2,121,037.56/2,929,984.04 = 2,042,293.48/x - Step 3: Cross multiply
2,121,037.56x = 2,929,984.04 × 2,042,293.48 - Step 4: Simplify right side
2,121,037.56x = 5,983,887,301,396.06 - Step 5: Solve for x
x = 5,983,887,301,396.06/2,121,037.56 - Step 6: Final answer
x = 2,821,207.61
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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.