Finding the Fourth Proportional to 1,488,556.70, 2,232,835.05 and 1,476,115.10
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Solution
The fourth proportional to 1,488,556.70, 2,232,835.05 and 1,476,115.10 is: 2,214,172.65
Step by Step Solution
- Step 1: Write the proportion equation
1,488,556.70 : 2,232,835.05 = 1,476,115.10 : x - Step 2: Convert to fraction form
1,488,556.70/2,232,835.05 = 1,476,115.10/x - Step 3: Cross multiply
1,488,556.70x = 2,232,835.05 × 1,476,115.10 - Step 4: Simplify right side
1,488,556.70x = 3,295,921,533,114.26 - Step 5: Solve for x
x = 3,295,921,533,114.26/1,488,556.70 - Step 6: Final answer
x = 2,214,172.65
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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.