Finding the Fourth Proportional to 1,887,882.32, 2,605,254.10 and 1,028,424.13
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Solution
The fourth proportional to 1,887,882.32, 2,605,254.10 and 1,028,424.13 is: 1,419,212.49
Step by Step Solution
- Step 1: Write the proportion equation
1,887,882.32 : 2,605,254.10 = 1,028,424.13 : x - Step 2: Convert to fraction form
1,887,882.32/2,605,254.10 = 1,028,424.13/x - Step 3: Cross multiply
1,887,882.32x = 2,605,254.10 × 1,028,424.13 - Step 4: Simplify right side
1,887,882.32x = 2,679,306,172,137.24 - Step 5: Solve for x
x = 2,679,306,172,137.24/1,887,882.32 - Step 6: Final answer
x = 1,419,212.49
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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.