Finding the Fourth Proportional to 3,406,821.60, 5,110,232.40 and 2,900,215.20
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Solution
The fourth proportional to 3,406,821.60, 5,110,232.40 and 2,900,215.20 is: 4,350,322.80
Step by Step Solution
- Step 1: Write the proportion equation
3,406,821.60 : 5,110,232.40 = 2,900,215.20 : x - Step 2: Convert to fraction form
3,406,821.60/5,110,232.40 = 2,900,215.20/x - Step 3: Cross multiply
3,406,821.60x = 5,110,232.40 × 2,900,215.20 - Step 4: Simplify right side
3,406,821.60x = 14,820,773,682,012.48 - Step 5: Solve for x
x = 14,820,773,682,012.48/3,406,821.60 - Step 6: Final answer
x = 4,350,322.80
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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.