Finding the Fourth Proportional to 5,471,573.43, 8,207,783.84 and 1,828,315.92
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Solution
The fourth proportional to 5,471,573.43, 8,207,783.84 and 1,828,315.92 is: 2,742,615.46
Step by Step Solution
- Step 1: Write the proportion equation
5,471,573.43 : 8,207,783.84 = 1,828,315.92 : x - Step 2: Convert to fraction form
5,471,573.43/8,207,783.84 = 1,828,315.92/x - Step 3: Cross multiply
5,471,573.43x = 8,207,783.84 × 1,828,315.92 - Step 4: Simplify right side
5,471,573.43x = 15,006,421,862,590.73 - Step 5: Solve for x
x = 15,006,421,862,590.73/5,471,573.43 - Step 6: Final answer
x = 2,742,615.46
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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.