Finding the Fourth Proportional to 2,626,665.12, 3,939,998.40 and 632,121.12
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Solution
The fourth proportional to 2,626,665.12, 3,939,998.40 and 632,121.12 is: 948,181.85
Step by Step Solution
- Step 1: Write the proportion equation
2,626,665.12 : 3,939,998.40 = 632,121.12 : x - Step 2: Convert to fraction form
2,626,665.12/3,939,998.40 = 632,121.12/x - Step 3: Cross multiply
2,626,665.12x = 3,939,998.40 × 632,121.12 - Step 4: Simplify right side
2,626,665.12x = 2,490,556,201,406.21 - Step 5: Solve for x
x = 2,490,556,201,406.21/2,626,665.12 - Step 6: Final answer
x = 948,181.85
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1.5x scale
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.