Finding the Fourth Proportional to 1,462,991.24, 2,019,243.84 and 890,215.76
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Solution
The fourth proportional to 1,462,991.24, 2,019,243.84 and 890,215.76 is: 1,228,689.99
Step by Step Solution
- Step 1: Write the proportion equation
1,462,991.24 : 2,019,243.84 = 890,215.76 : x - Step 2: Convert to fraction form
1,462,991.24/2,019,243.84 = 890,215.76/x - Step 3: Cross multiply
1,462,991.24x = 2,019,243.84 × 890,215.76 - Step 4: Simplify right side
1,462,991.24x = 1,797,562,689,650.92 - Step 5: Solve for x
x = 1,797,562,689,650.92/1,462,991.24 - Step 6: Final answer
x = 1,228,689.99
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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.