Finding the Fourth Proportional to 2,385,686.88, 3,292,144.56 and 1,367,186.40
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Solution
The fourth proportional to 2,385,686.88, 3,292,144.56 and 1,367,186.40 is: 1,886,658.01
Step by Step Solution
- Step 1: Write the proportion equation
2,385,686.88 : 3,292,144.56 = 1,367,186.40 : x - Step 2: Convert to fraction form
2,385,686.88/3,292,144.56 = 1,367,186.40/x - Step 3: Cross multiply
2,385,686.88x = 3,292,144.56 × 1,367,186.40 - Step 4: Simplify right side
2,385,686.88x = 4,500,975,269,265.98 - Step 5: Solve for x
x = 4,500,975,269,265.98/2,385,686.88 - Step 6: Final answer
x = 1,886,658.01
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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.