Finding the Fourth Proportional to 1,612,822.24, 2,225,694.84 and 877,779.24
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Solution
The fourth proportional to 1,612,822.24, 2,225,694.84 and 877,779.24 is: 1,211,335.43
Step by Step Solution
- Step 1: Write the proportion equation
1,612,822.24 : 2,225,694.84 = 877,779.24 : x - Step 2: Convert to fraction form
1,612,822.24/2,225,694.84 = 877,779.24/x - Step 3: Cross multiply
1,612,822.24x = 2,225,694.84 × 877,779.24 - Step 4: Simplify right side
1,612,822.24x = 1,953,668,713,998.65 - Step 5: Solve for x
x = 1,953,668,713,998.65/1,612,822.24 - Step 6: Final answer
x = 1,211,335.43
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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.