Finding the Fourth Proportional to 4,237,607.20, 5,848,013.28 and 2,303,997.92
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Solution
The fourth proportional to 4,237,607.20, 5,848,013.28 and 2,303,997.92 is: 3,179,579.84
Step by Step Solution
- Step 1: Write the proportion equation
4,237,607.20 : 5,848,013.28 = 2,303,997.92 : x - Step 2: Convert to fraction form
4,237,607.20/5,848,013.28 = 2,303,997.92/x - Step 3: Cross multiply
4,237,607.20x = 5,848,013.28 × 2,303,997.92 - Step 4: Simplify right side
4,237,607.20x = 13,473,810,433,252.38 - Step 5: Solve for x
x = 13,473,810,433,252.38/4,237,607.20 - Step 6: Final answer
x = 3,179,579.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.