Finding the Fourth Proportional to 1,887,634.10, 2,604,974.64 and 1,028,192.24
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Solution
The fourth proportional to 1,887,634.10, 2,604,974.64 and 1,028,192.24 is: 1,418,926.85
Step by Step Solution
- Step 1: Write the proportion equation
1,887,634.10 : 2,604,974.64 = 1,028,192.24 : x - Step 2: Convert to fraction form
1,887,634.10/2,604,974.64 = 1,028,192.24/x - Step 3: Cross multiply
1,887,634.10x = 2,604,974.64 × 1,028,192.24 - Step 4: Simplify right side
1,887,634.10x = 2,678,414,710,244.79 - Step 5: Solve for x
x = 2,678,414,710,244.79/1,887,634.10 - Step 6: Final answer
x = 1,418,926.85
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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.