Finding the Fourth Proportional to 5,193,729.79, 7,167,124.46 and 2,870,502.17
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Solution
The fourth proportional to 5,193,729.79, 7,167,124.46 and 2,870,502.17 is: 3,961,169.94
Step by Step Solution
- Step 1: Write the proportion equation
5,193,729.79 : 7,167,124.46 = 2,870,502.17 : x - Step 2: Convert to fraction form
5,193,729.79/7,167,124.46 = 2,870,502.17/x - Step 3: Cross multiply
5,193,729.79x = 7,167,124.46 × 2,870,502.17 - Step 4: Simplify right side
5,193,729.79x = 20,573,246,286,430.71 - Step 5: Solve for x
x = 20,573,246,286,430.71/5,193,729.79 - Step 6: Final answer
x = 3,961,169.94
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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.