Finding the Fourth Proportional to 2,619,555.09, 3,613,037.41 and 2,313,090.78
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Solution
The fourth proportional to 2,619,555.09, 3,613,037.41 and 2,313,090.78 is: 3,190,344.63
Step by Step Solution
- Step 1: Write the proportion equation
2,619,555.09 : 3,613,037.41 = 2,313,090.78 : x - Step 2: Convert to fraction form
2,619,555.09/3,613,037.41 = 2,313,090.78/x - Step 3: Cross multiply
2,619,555.09x = 3,613,037.41 × 2,313,090.78 - Step 4: Simplify right side
2,619,555.09x = 8,357,283,509,300.63 - Step 5: Solve for x
x = 8,357,283,509,300.63/2,619,555.09 - Step 6: Final answer
x = 3,190,344.63
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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.