Finding the Fourth Proportional to 2,128,314.24, 3,192,996.24 and 632,406.24
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Solution
The fourth proportional to 2,128,314.24, 3,192,996.24 and 632,406.24 is: 948,765.32
Step by Step Solution
- Step 1: Write the proportion equation
2,128,314.24 : 3,192,996.24 = 632,406.24 : x - Step 2: Convert to fraction form
2,128,314.24/3,192,996.24 = 632,406.24/x - Step 3: Cross multiply
2,128,314.24x = 3,192,996.24 × 632,406.24 - Step 4: Simplify right side
2,128,314.24x = 2,019,270,746,472.54 - Step 5: Solve for x
x = 2,019,270,746,472.54/2,128,314.24 - Step 6: Final answer
x = 948,765.32
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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.