Finding the Fourth Proportional to 2,082,090.24, 2,873,097.09 and 1,210,932.99
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Solution
The fourth proportional to 2,082,090.24, 2,873,097.09 and 1,210,932.99 is: 1,670,978.51
Step by Step Solution
- Step 1: Write the proportion equation
2,082,090.24 : 2,873,097.09 = 1,210,932.99 : x - Step 2: Convert to fraction form
2,082,090.24/2,873,097.09 = 1,210,932.99/x - Step 3: Cross multiply
2,082,090.24x = 2,873,097.09 × 1,210,932.99 - Step 4: Simplify right side
2,082,090.24x = 3,479,128,049,754.00 - Step 5: Solve for x
x = 3,479,128,049,754.00/2,082,090.24 - Step 6: Final answer
x = 1,670,978.51
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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.