Finding the Fourth Proportional to 1,588,489.52, 2,192,102.42 and 863,341.65
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Solution
The fourth proportional to 1,588,489.52, 2,192,102.42 and 863,341.65 is: 1,191,404.35
Step by Step Solution
- Step 1: Write the proportion equation
1,588,489.52 : 2,192,102.42 = 863,341.65 : x - Step 2: Convert to fraction form
1,588,489.52/2,192,102.42 = 863,341.65/x - Step 3: Cross multiply
1,588,489.52x = 2,192,102.42 × 863,341.65 - Step 4: Simplify right side
1,588,489.52x = 1,892,533,315,935.08 - Step 5: Solve for x
x = 1,892,533,315,935.08/1,588,489.52 - Step 6: Final answer
x = 1,191,404.35
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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.