Finding the Fourth Proportional to 2,293,419.20, 3,440,128.80 and 695,904.80
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Solution
The fourth proportional to 2,293,419.20, 3,440,128.80 and 695,904.80 is: 1,043,857.20
Step by Step Solution
- Step 1: Write the proportion equation
2,293,419.20 : 3,440,128.80 = 695,904.80 : x - Step 2: Convert to fraction form
2,293,419.20/3,440,128.80 = 695,904.80/x - Step 3: Cross multiply
2,293,419.20x = 3,440,128.80 × 695,904.80 - Step 4: Simplify right side
2,293,419.20x = 2,394,002,144,538.24 - Step 5: Solve for x
x = 2,394,002,144,538.24/2,293,419.20 - Step 6: Final answer
x = 1,043,857.20
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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.