Finding the Fourth Proportional to 1,589,659.63, 2,193,709.43 and 864,491.74
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Solution
The fourth proportional to 1,589,659.63, 2,193,709.43 and 864,491.74 is: 1,192,987.26
Step by Step Solution
- Step 1: Write the proportion equation
1,589,659.63 : 2,193,709.43 = 864,491.74 : x - Step 2: Convert to fraction form
1,589,659.63/2,193,709.43 = 864,491.74/x - Step 3: Cross multiply
1,589,659.63x = 2,193,709.43 × 864,491.74 - Step 4: Simplify right side
1,589,659.63x = 1,896,443,678,872.06 - Step 5: Solve for x
x = 1,896,443,678,872.06/1,589,659.63 - Step 6: Final answer
x = 1,192,987.26
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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.