Finding the Fourth Proportional to 3,150,219.75, 4,725,329.70 and 906,357.75
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Solution
The fourth proportional to 3,150,219.75, 4,725,329.70 and 906,357.75 is: 1,359,536.65
Step by Step Solution
- Step 1: Write the proportion equation
3,150,219.75 : 4,725,329.70 = 906,357.75 : x - Step 2: Convert to fraction form
3,150,219.75/4,725,329.70 = 906,357.75/x - Step 3: Cross multiply
3,150,219.75x = 4,725,329.70 × 906,357.75 - Step 4: Simplify right side
3,150,219.75x = 4,282,839,194,900.18 - Step 5: Solve for x
x = 4,282,839,194,900.18/3,150,219.75 - Step 6: Final answer
x = 1,359,536.65
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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.