Finding the Fourth Proportional to 2,916,203.80, 4,374,305.70 and 2,207,615.80
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Solution
The fourth proportional to 2,916,203.80, 4,374,305.70 and 2,207,615.80 is: 3,311,423.70
Step by Step Solution
- Step 1: Write the proportion equation
2,916,203.80 : 4,374,305.70 = 2,207,615.80 : x - Step 2: Convert to fraction form
2,916,203.80/4,374,305.70 = 2,207,615.80/x - Step 3: Cross multiply
2,916,203.80x = 4,374,305.70 × 2,207,615.80 - Step 4: Simplify right side
2,916,203.80x = 9,656,786,377,350.06 - Step 5: Solve for x
x = 9,656,786,377,350.06/2,916,203.80 - Step 6: Final answer
x = 3,311,423.70
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1.5x scale
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.