Finding the Fourth Proportional to 1,444,921.99, 2,165,818.59 and 939,843.91
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Solution
The fourth proportional to 1,444,921.99, 2,165,818.59 and 939,843.91 is: 1,408,748.30
Step by Step Solution
- Step 1: Write the proportion equation
1,444,921.99 : 2,165,818.59 = 939,843.91 : x - Step 2: Convert to fraction form
1,444,921.99/2,165,818.59 = 939,843.91/x - Step 3: Cross multiply
1,444,921.99x = 2,165,818.59 × 939,843.91 - Step 4: Simplify right side
1,444,921.99x = 2,035,531,401,147.19 - Step 5: Solve for x
x = 2,035,531,401,147.19/1,444,921.99 - Step 6: Final answer
x = 1,408,748.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.