Finding the Fourth Proportional to 2,554,135.12, 3,828,615.54 and 1,656,146.44
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Solution
The fourth proportional to 2,554,135.12, 3,828,615.54 and 1,656,146.44 is: 2,482,542.11
Step by Step Solution
- Step 1: Write the proportion equation
2,554,135.12 : 3,828,615.54 = 1,656,146.44 : x - Step 2: Convert to fraction form
2,554,135.12/3,828,615.54 = 1,656,146.44/x - Step 3: Cross multiply
2,554,135.12x = 3,828,615.54 × 1,656,146.44 - Step 4: Simplify right side
2,554,135.12x = 6,340,747,996,699.68 - Step 5: Solve for x
x = 6,340,747,996,699.68/2,554,135.12 - Step 6: Final answer
x = 2,482,542.11
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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.