Finding the Fourth Proportional to 3,205,704.90, 4,808,557.35 and 2,011,311.30
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Solution
The fourth proportional to 3,205,704.90, 4,808,557.35 and 2,011,311.30 is: 3,016,966.95
Step by Step Solution
- Step 1: Write the proportion equation
3,205,704.90 : 4,808,557.35 = 2,011,311.30 : x - Step 2: Convert to fraction form
3,205,704.90/4,808,557.35 = 2,011,311.30/x - Step 3: Cross multiply
3,205,704.90x = 4,808,557.35 × 2,011,311.30 - Step 4: Simplify right side
3,205,704.90x = 9,671,505,734,753.06 - Step 5: Solve for x
x = 9,671,505,734,753.06/3,205,704.90 - Step 6: Final answer
x = 3,016,966.95
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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.