Finding the Fourth Proportional to 1,349,491.19, 1,861,091.73 and 1,119,684.68
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Solution
The fourth proportional to 1,349,491.19, 1,861,091.73 and 1,119,684.68 is: 1,544,164.14
Step by Step Solution
- Step 1: Write the proportion equation
1,349,491.19 : 1,861,091.73 = 1,119,684.68 : x - Step 2: Convert to fraction form
1,349,491.19/1,861,091.73 = 1,119,684.68/x - Step 3: Cross multiply
1,349,491.19x = 1,861,091.73 × 1,119,684.68 - Step 4: Simplify right side
1,349,491.19x = 2,083,835,898,155.70 - Step 5: Solve for x
x = 2,083,835,898,155.70/1,349,491.19 - Step 6: Final answer
x = 1,544,164.14
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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.