Finding the Fourth Proportional to 2,232,178.56, 3,081,062.07 and 1,457,927.91
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Solution
The fourth proportional to 2,232,178.56, 3,081,062.07 and 1,457,927.91 is: 2,012,368.75
Step by Step Solution
- Step 1: Write the proportion equation
2,232,178.56 : 3,081,062.07 = 1,457,927.91 : x - Step 2: Convert to fraction form
2,232,178.56/3,081,062.07 = 1,457,927.91/x - Step 3: Cross multiply
2,232,178.56x = 3,081,062.07 × 1,457,927.91 - Step 4: Simplify right side
2,232,178.56x = 4,491,966,384,295.37 - Step 5: Solve for x
x = 4,491,966,384,295.37/2,232,178.56 - Step 6: Final answer
x = 2,012,368.75
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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.