Finding the Fourth Proportional to 6,652,764.10, 9,974,855.74 and 2,609,660.62
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Solution
The fourth proportional to 6,652,764.10, 9,974,855.74 and 2,609,660.62 is: 3,912,807.94
Step by Step Solution
- Step 1: Write the proportion equation
6,652,764.10 : 9,974,855.74 = 2,609,660.62 : x - Step 2: Convert to fraction form
6,652,764.10/9,974,855.74 = 2,609,660.62/x - Step 3: Cross multiply
6,652,764.10x = 9,974,855.74 × 2,609,660.62 - Step 4: Simplify right side
6,652,764.10x = 26,030,988,214,858.96 - Step 5: Solve for x
x = 26,030,988,214,858.96/6,652,764.10 - Step 6: Final answer
x = 3,912,807.94
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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.