Finding the Fourth Proportional to 1,615,274.35, 2,229,093.35 and 890,148.09
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Solution
The fourth proportional to 1,615,274.35, 2,229,093.35 and 890,148.09 is: 1,228,412.48
Step by Step Solution
- Step 1: Write the proportion equation
1,615,274.35 : 2,229,093.35 = 890,148.09 : x - Step 2: Convert to fraction form
1,615,274.35/2,229,093.35 = 890,148.09/x - Step 3: Cross multiply
1,615,274.35x = 2,229,093.35 × 890,148.09 - Step 4: Simplify right side
1,615,274.35x = 1,984,223,172,337.99 - Step 5: Solve for x
x = 1,984,223,172,337.99/1,615,274.35 - Step 6: Final answer
x = 1,228,412.48
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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.