Finding the Fourth Proportional to 2,165,270.28, 2,987,743.44 and 1,234,986
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Solution
The fourth proportional to 2,165,270.28, 2,987,743.44 and 1,234,986 is: 1,704,092.72
Step by Step Solution
- Step 1: Write the proportion equation
2,165,270.28 : 2,987,743.44 = 1,234,986 : x - Step 2: Convert to fraction form
2,165,270.28/2,987,743.44 = 1,234,986/x - Step 3: Cross multiply
2,165,270.28x = 2,987,743.44 × 1,234,986 - Step 4: Simplify right side
2,165,270.28x = 3,689,821,319,991.84 - Step 5: Solve for x
x = 3,689,821,319,991.84/2,165,270.28 - Step 6: Final answer
x = 1,704,092.72
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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.