Finding the Fourth Proportional to 1,887,777.68, 2,605,119.84 and 1,028,337.98
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Solution
The fourth proportional to 1,887,777.68, 2,605,119.84 and 1,028,337.98 is: 1,419,099.13
Step by Step Solution
- Step 1: Write the proportion equation
1,887,777.68 : 2,605,119.84 = 1,028,337.98 : x - Step 2: Convert to fraction form
1,887,777.68/2,605,119.84 = 1,028,337.98/x - Step 3: Cross multiply
1,887,777.68x = 2,605,119.84 × 1,028,337.98 - Step 4: Simplify right side
1,887,777.68x = 2,678,943,660,897.92 - Step 5: Solve for x
x = 2,678,943,660,897.92/1,887,777.68 - Step 6: Final answer
x = 1,419,099.13
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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.