Finding the Fourth Proportional to 2,930,368.80, 4,396,330.80 and 1,036,912.80
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Solution
The fourth proportional to 2,930,368.80, 4,396,330.80 and 1,036,912.80 is: 1,555,644.35
Step by Step Solution
- Step 1: Write the proportion equation
2,930,368.80 : 4,396,330.80 = 1,036,912.80 : x - Step 2: Convert to fraction form
2,930,368.80/4,396,330.80 = 1,036,912.80/x - Step 3: Cross multiply
2,930,368.80x = 4,396,330.80 × 1,036,912.80 - Step 4: Simplify right side
2,930,368.80x = 4,558,611,679,554.24 - Step 5: Solve for x
x = 4,558,611,679,554.24/2,930,368.80 - Step 6: Final answer
x = 1,555,644.35
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1.5x scale
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.