Finding the Fourth Proportional to 1,462,604.70, 2,193,907.05 and 1,213,772.70
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Solution
The fourth proportional to 1,462,604.70, 2,193,907.05 and 1,213,772.70 is: 1,820,659.05
Step by Step Solution
- Step 1: Write the proportion equation
1,462,604.70 : 2,193,907.05 = 1,213,772.70 : x - Step 2: Convert to fraction form
1,462,604.70/2,193,907.05 = 1,213,772.70/x - Step 3: Cross multiply
1,462,604.70x = 2,193,907.05 × 1,213,772.70 - Step 4: Simplify right side
1,462,604.70x = 2,662,904,483,627.53 - Step 5: Solve for x
x = 2,662,904,483,627.53/1,462,604.70 - Step 6: Final answer
x = 1,820,659.05
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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.