Finding the Fourth Proportional to 5,238,854.96, 7,859,234.30 and 2,164,853.21
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Solution
The fourth proportional to 5,238,854.96, 7,859,234.30 and 2,164,853.21 is: 3,247,673.15
Step by Step Solution
- Step 1: Write the proportion equation
5,238,854.96 : 7,859,234.30 = 2,164,853.21 : x - Step 2: Convert to fraction form
5,238,854.96/7,859,234.30 = 2,164,853.21/x - Step 3: Cross multiply
5,238,854.96x = 7,859,234.30 × 2,164,853.21 - Step 4: Simplify right side
5,238,854.96x = 17,014,088,577,526.20 - Step 5: Solve for x
x = 17,014,088,577,526.20/5,238,854.96 - Step 6: Final answer
x = 3,247,673.15
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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.