Finding the Fourth Proportional to 1,402,063.21, 2,102,252.46 and 548,117.79
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Solution
The fourth proportional to 1,402,063.21, 2,102,252.46 and 548,117.79 is: 821,847.38
Step by Step Solution
- Step 1: Write the proportion equation
1,402,063.21 : 2,102,252.46 = 548,117.79 : x - Step 2: Convert to fraction form
1,402,063.21/2,102,252.46 = 548,117.79/x - Step 3: Cross multiply
1,402,063.21x = 2,102,252.46 × 548,117.79 - Step 4: Simplify right side
1,402,063.21x = 1,152,281,972,397.26 - Step 5: Solve for x
x = 1,152,281,972,397.26/1,402,063.21 - Step 6: Final answer
x = 821,847.38
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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.