Finding the Fourth Proportional to 3,560,121.81, 4,911,759.55 and 2,011,157.19
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Solution
The fourth proportional to 3,560,121.81, 4,911,759.55 and 2,011,157.19 is: 2,774,714.20
Step by Step Solution
- Step 1: Write the proportion equation
3,560,121.81 : 4,911,759.55 = 2,011,157.19 : x - Step 2: Convert to fraction form
3,560,121.81/4,911,759.55 = 2,011,157.19/x - Step 3: Cross multiply
3,560,121.81x = 4,911,759.55 × 2,011,157.19 - Step 4: Simplify right side
3,560,121.81x = 9,878,320,534,533.66 - Step 5: Solve for x
x = 9,878,320,534,533.66/3,560,121.81 - Step 6: Final answer
x = 2,774,714.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.