Finding the Fourth Proportional to 7,246,380.24, 10,869,616.54 and 2,128,789.32
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Solution
The fourth proportional to 7,246,380.24, 10,869,616.54 and 2,128,789.32 is: 3,193,197.55
Step by Step Solution
- Step 1: Write the proportion equation
7,246,380.24 : 10,869,616.54 = 2,128,789.32 : x - Step 2: Convert to fraction form
7,246,380.24/10,869,616.54 = 2,128,789.32/x - Step 3: Cross multiply
7,246,380.24x = 10,869,616.54 × 2,128,789.32 - Step 4: Simplify right side
7,246,380.24x = 23,139,123,602,847.35 - Step 5: Solve for x
x = 23,139,123,602,847.35/7,246,380.24 - Step 6: Final answer
x = 3,193,197.55
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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.