Finding the Fourth Proportional to 4,185,165.36, 5,775,129.20 and 2,349,203.20
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Solution
The fourth proportional to 4,185,165.36, 5,775,129.20 and 2,349,203.20 is: 3,241,676.45
Step by Step Solution
- Step 1: Write the proportion equation
4,185,165.36 : 5,775,129.20 = 2,349,203.20 : x - Step 2: Convert to fraction form
4,185,165.36/5,775,129.20 = 2,349,203.20/x - Step 3: Cross multiply
4,185,165.36x = 5,775,129.20 × 2,349,203.20 - Step 4: Simplify right side
4,185,165.36x = 13,566,951,997,053.44 - Step 5: Solve for x
x = 13,566,951,997,053.44/4,185,165.36 - Step 6: Final answer
x = 3,241,676.45
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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.