Finding the Fourth Proportional to 1,720,622.70, 2,374,451.46 and 956,630.70
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Solution
The fourth proportional to 1,720,622.70, 2,374,451.46 and 956,630.70 is: 1,320,145.99
Step by Step Solution
- Step 1: Write the proportion equation
1,720,622.70 : 2,374,451.46 = 956,630.70 : x - Step 2: Convert to fraction form
1,720,622.70/2,374,451.46 = 956,630.70/x - Step 3: Cross multiply
1,720,622.70x = 2,374,451.46 × 956,630.70 - Step 4: Simplify right side
1,720,622.70x = 2,271,473,162,295.82 - Step 5: Solve for x
x = 2,271,473,162,295.82/1,720,622.70 - Step 6: Final answer
x = 1,320,145.99
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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.