Finding the Fourth Proportional to 2,292,715.80, 3,430,908.90 and 1,996,450.20
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Solution
The fourth proportional to 2,292,715.80, 3,430,908.90 and 1,996,450.20 is: 2,987,565.56
Step by Step Solution
- Step 1: Write the proportion equation
2,292,715.80 : 3,430,908.90 = 1,996,450.20 : x - Step 2: Convert to fraction form
2,292,715.80/3,430,908.90 = 1,996,450.20/x - Step 3: Cross multiply
2,292,715.80x = 3,430,908.90 × 1,996,450.20 - Step 4: Simplify right side
2,292,715.80x = 6,849,638,759,586.78 - Step 5: Solve for x
x = 6,849,638,759,586.78/2,292,715.80 - Step 6: Final answer
x = 2,987,565.56
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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.