Finding the Fourth Proportional to 5,165,611.92, 7,748,693.28 and 1,571,104.08
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Solution
The fourth proportional to 5,165,611.92, 7,748,693.28 and 1,571,104.08 is: 2,356,739.88
Step by Step Solution
- Step 1: Write the proportion equation
5,165,611.92 : 7,748,693.28 = 1,571,104.08 : x - Step 2: Convert to fraction form
5,165,611.92/7,748,693.28 = 1,571,104.08/x - Step 3: Cross multiply
5,165,611.92x = 7,748,693.28 × 1,571,104.08 - Step 4: Simplify right side
5,165,611.92x = 12,174,003,626,876.58 - Step 5: Solve for x
x = 12,174,003,626,876.58/5,165,611.92 - Step 6: Final answer
x = 2,356,739.88
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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.