Finding the Fourth Proportional to 2,704,525.19, 3,731,902.78 and 2,154,635.53
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Solution
The fourth proportional to 2,704,525.19, 3,731,902.78 and 2,154,635.53 is: 2,973,124.59
Step by Step Solution
- Step 1: Write the proportion equation
2,704,525.19 : 3,731,902.78 = 2,154,635.53 : x - Step 2: Convert to fraction form
2,704,525.19/3,731,902.78 = 2,154,635.53/x - Step 3: Cross multiply
2,704,525.19x = 3,731,902.78 × 2,154,635.53 - Step 4: Simplify right side
2,704,525.19x = 8,040,890,333,500.50 - Step 5: Solve for x
x = 8,040,890,333,500.50/2,704,525.19 - Step 6: Final answer
x = 2,973,124.59
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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.