Finding the Fourth Proportional to 4,486,812.80, 6,731,203.35 and 2,213,426.30
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Solution
The fourth proportional to 4,486,812.80, 6,731,203.35 and 2,213,426.30 is: 3,320,624.95
Step by Step Solution
- Step 1: Write the proportion equation
4,486,812.80 : 6,731,203.35 = 2,213,426.30 : x - Step 2: Convert to fraction form
4,486,812.80/6,731,203.35 = 2,213,426.30/x - Step 3: Cross multiply
4,486,812.80x = 6,731,203.35 × 2,213,426.30 - Step 4: Simplify right side
4,486,812.80x = 14,899,022,525,538.10 - Step 5: Solve for x
x = 14,899,022,525,538.10/4,486,812.80 - Step 6: Final answer
x = 3,320,624.95
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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.