Finding the Fourth Proportional to 2,214,226.80, 3,321,340.20 and 718,318.80
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Solution
The fourth proportional to 2,214,226.80, 3,321,340.20 and 718,318.80 is: 1,077,478.20
Step by Step Solution
- Step 1: Write the proportion equation
2,214,226.80 : 3,321,340.20 = 718,318.80 : x - Step 2: Convert to fraction form
2,214,226.80/3,321,340.20 = 718,318.80/x - Step 3: Cross multiply
2,214,226.80x = 3,321,340.20 × 718,318.80 - Step 4: Simplify right side
2,214,226.80x = 2,385,781,106,855.76 - Step 5: Solve for x
x = 2,385,781,106,855.76/2,214,226.80 - Step 6: Final answer
x = 1,077,478.20
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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.