Finding the Fourth Proportional to 2,549,201.10, 3,517,942.26 and 1,387,680.76
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Solution
The fourth proportional to 2,549,201.10, 3,517,942.26 and 1,387,680.76 is: 1,915,023.80
Step by Step Solution
- Step 1: Write the proportion equation
2,549,201.10 : 3,517,942.26 = 1,387,680.76 : x - Step 2: Convert to fraction form
2,549,201.10/3,517,942.26 = 1,387,680.76/x - Step 3: Cross multiply
2,549,201.10x = 3,517,942.26 × 1,387,680.76 - Step 4: Simplify right side
2,549,201.10x = 4,881,780,788,992.92 - Step 5: Solve for x
x = 4,881,780,788,992.92/2,549,201.10 - Step 6: Final answer
x = 1,915,023.80
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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.