Finding the Fourth Proportional to 2,163,732.88, 2,970,315.37 and 1,857,277.23
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Solution
The fourth proportional to 2,163,732.88, 2,970,315.37 and 1,857,277.23 is: 2,549,621.14
Step by Step Solution
- Step 1: Write the proportion equation
2,163,732.88 : 2,970,315.37 = 1,857,277.23 : x - Step 2: Convert to fraction form
2,163,732.88/2,970,315.37 = 1,857,277.23/x - Step 3: Cross multiply
2,163,732.88x = 2,970,315.37 × 1,857,277.23 - Step 4: Simplify right side
2,163,732.88x = 5,516,699,085,907.85 - Step 5: Solve for x
x = 5,516,699,085,907.85/2,163,732.88 - Step 6: Final answer
x = 2,549,621.14
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.