Finding the Fourth Proportional to 2,545,120.10, 3,817,481.70 and 1,479,482.48
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Solution
The fourth proportional to 2,545,120.10, 3,817,481.70 and 1,479,482.48 is: 2,219,108.36
Step by Step Solution
- Step 1: Write the proportion equation
2,545,120.10 : 3,817,481.70 = 1,479,482.48 : x - Step 2: Convert to fraction form
2,545,120.10/3,817,481.70 = 1,479,482.48/x - Step 3: Cross multiply
2,545,120.10x = 3,817,481.70 × 1,479,482.48 - Step 4: Simplify right side
2,545,120.10x = 5,647,897,292,870.62 - Step 5: Solve for x
x = 5,647,897,292,870.62/2,545,120.10 - Step 6: Final answer
x = 2,219,108.36
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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.