Finding the Fourth Proportional to 2,814,879.05, 3,884,491.11 and 1,591,141.71
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Solution
The fourth proportional to 2,814,879.05, 3,884,491.11 and 1,591,141.71 is: 2,195,751.83
Step by Step Solution
- Step 1: Write the proportion equation
2,814,879.05 : 3,884,491.11 = 1,591,141.71 : x - Step 2: Convert to fraction form
2,814,879.05/3,884,491.11 = 1,591,141.71/x - Step 3: Cross multiply
2,814,879.05x = 3,884,491.11 × 1,591,141.71 - Step 4: Simplify right side
2,814,879.05x = 6,180,775,827,245.20 - Step 5: Solve for x
x = 6,180,775,827,245.20/2,814,879.05 - Step 6: Final answer
x = 2,195,751.83
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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.