Finding the Fourth Proportional to 1,497,977.62, 2,067,216.42 and 818,914.12
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Solution
The fourth proportional to 1,497,977.62, 2,067,216.42 and 818,914.12 is: 1,130,105.48
Step by Step Solution
- Step 1: Write the proportion equation
1,497,977.62 : 2,067,216.42 = 818,914.12 : x - Step 2: Convert to fraction form
1,497,977.62/2,067,216.42 = 818,914.12/x - Step 3: Cross multiply
1,497,977.62x = 2,067,216.42 × 818,914.12 - Step 4: Simplify right side
1,497,977.62x = 1,692,872,715,433.85 - Step 5: Solve for x
x = 1,692,872,715,433.85/1,497,977.62 - Step 6: Final answer
x = 1,130,105.48
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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.