Finding the Fourth Proportional to 5,074,555.06, 7,611,021.96 and 1,479,481.12
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Solution
The fourth proportional to 5,074,555.06, 7,611,021.96 and 1,479,481.12 is: 2,218,985.34
Step by Step Solution
- Step 1: Write the proportion equation
5,074,555.06 : 7,611,021.96 = 1,479,481.12 : x - Step 2: Convert to fraction form
5,074,555.06/7,611,021.96 = 1,479,481.12/x - Step 3: Cross multiply
5,074,555.06x = 7,611,021.96 × 1,479,481.12 - Step 4: Simplify right side
5,074,555.06x = 11,260,363,293,725.40 - Step 5: Solve for x
x = 11,260,363,293,725.40/5,074,555.06 - Step 6: Final answer
x = 2,218,985.34
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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.