Finding the Fourth Proportional to 5,714,429.99, 7,885,653.51 and 3,136,059.59
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Solution
The fourth proportional to 5,714,429.99, 7,885,653.51 and 3,136,059.59 is: 4,327,619.61
Step by Step Solution
- Step 1: Write the proportion equation
5,714,429.99 : 7,885,653.51 = 3,136,059.59 : x - Step 2: Convert to fraction form
5,714,429.99/7,885,653.51 = 3,136,059.59/x - Step 3: Cross multiply
5,714,429.99x = 7,885,653.51 × 3,136,059.59 - Step 4: Simplify right side
5,714,429.99x = 24,729,879,258,344.09 - Step 5: Solve for x
x = 24,729,879,258,344.09/5,714,429.99 - Step 6: Final answer
x = 4,327,619.61
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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.