Finding the Fourth Proportional to 2,102,100.88, 2,900,899.10 and 1,135,231.08
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Solution
The fourth proportional to 2,102,100.88, 2,900,899.10 and 1,135,231.08 is: 1,566,618.83
Step by Step Solution
- Step 1: Write the proportion equation
2,102,100.88 : 2,900,899.10 = 1,135,231.08 : x - Step 2: Convert to fraction form
2,102,100.88/2,900,899.10 = 1,135,231.08/x - Step 3: Cross multiply
2,102,100.88x = 2,900,899.10 × 1,135,231.08 - Step 4: Simplify right side
2,102,100.88x = 3,293,190,826,541.29 - Step 5: Solve for x
x = 3,293,190,826,541.29/2,102,100.88 - Step 6: Final answer
x = 1,566,618.83
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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.