Finding the Fourth Proportional to 1,349,668.91, 1,861,335.96 and 1,119,861.68
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Solution
The fourth proportional to 1,349,668.91, 1,861,335.96 and 1,119,861.68 is: 1,544,407.52
Step by Step Solution
- Step 1: Write the proportion equation
1,349,668.91 : 1,861,335.96 = 1,119,861.68 : x - Step 2: Convert to fraction form
1,349,668.91/1,861,335.96 = 1,119,861.68/x - Step 3: Cross multiply
1,349,668.91x = 1,861,335.96 × 1,119,861.68 - Step 4: Simplify right side
1,349,668.91x = 2,084,438,815,210.01 - Step 5: Solve for x
x = 2,084,438,815,210.01/1,349,668.91 - Step 6: Final answer
x = 1,544,407.52
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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.