Finding the Fourth Proportional to 1,615,276.10, 2,229,095.76 and 890,149.84
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Solution
The fourth proportional to 1,615,276.10, 2,229,095.76 and 890,149.84 is: 1,228,414.90
Step by Step Solution
- Step 1: Write the proportion equation
1,615,276.10 : 2,229,095.76 = 890,149.84 : x - Step 2: Convert to fraction form
1,615,276.10/2,229,095.76 = 890,149.84/x - Step 3: Cross multiply
1,615,276.10x = 2,229,095.76 × 890,149.84 - Step 4: Simplify right side
1,615,276.10x = 1,984,229,234,108.68 - Step 5: Solve for x
x = 1,984,229,234,108.68/1,615,276.10 - Step 6: Final answer
x = 1,228,414.90
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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.