Finding the Fourth Proportional to 5,641,971.20, 8,471,251.20 and 3,966,502.40
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Solution
The fourth proportional to 5,641,971.20, 8,471,251.20 and 3,966,502.40 is: 5,955,584.85
Step by Step Solution
- Step 1: Write the proportion equation
5,641,971.20 : 8,471,251.20 = 3,966,502.40 : x - Step 2: Convert to fraction form
5,641,971.20/8,471,251.20 = 3,966,502.40/x - Step 3: Cross multiply
5,641,971.20x = 8,471,251.20 × 3,966,502.40 - Step 4: Simplify right side
5,641,971.20x = 33,601,238,215,802.88 - Step 5: Solve for x
x = 33,601,238,215,802.88/5,641,971.20 - Step 6: Final answer
x = 5,955,584.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.