Finding the Fourth Proportional to 7,189,228.96, 10,785,358.56 and 2,331,156.88
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Solution
The fourth proportional to 7,189,228.96, 10,785,358.56 and 2,331,156.88 is: 3,497,226.61
Step by Step Solution
- Step 1: Write the proportion equation
7,189,228.96 : 10,785,358.56 = 2,331,156.88 : x - Step 2: Convert to fraction form
7,189,228.96/10,785,358.56 = 2,331,156.88/x - Step 3: Cross multiply
7,189,228.96x = 10,785,358.56 × 2,331,156.88 - Step 4: Simplify right side
7,189,228.96x = 25,142,362,810,410.89 - Step 5: Solve for x
x = 25,142,362,810,410.89/7,189,228.96 - Step 6: Final answer
x = 3,497,226.61
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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.