Finding the Fourth Proportional to 3,216,781.27, 4,440,154.62 and 2,070,861.63
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Solution
The fourth proportional to 3,216,781.27, 4,440,154.62 and 2,070,861.63 is: 2,858,430.54
Step by Step Solution
- Step 1: Write the proportion equation
3,216,781.27 : 4,440,154.62 = 2,070,861.63 : x - Step 2: Convert to fraction form
3,216,781.27/4,440,154.62 = 2,070,861.63/x - Step 3: Cross multiply
3,216,781.27x = 4,440,154.62 × 2,070,861.63 - Step 4: Simplify right side
3,216,781.27x = 9,194,945,833,825.23 - Step 5: Solve for x
x = 9,194,945,833,825.23/3,216,781.27 - Step 6: Final answer
x = 2,858,430.54
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1.5x scale
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.