Finding the Fourth Proportional to 2,485,814.10, 3,430,027.98 and 1,397,875.38
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Solution
The fourth proportional to 2,485,814.10, 3,430,027.98 and 1,397,875.38 is: 1,928,845.63
Step by Step Solution
- Step 1: Write the proportion equation
2,485,814.10 : 3,430,027.98 = 1,397,875.38 : x - Step 2: Convert to fraction form
2,485,814.10/3,430,027.98 = 1,397,875.38/x - Step 3: Cross multiply
2,485,814.10x = 3,430,027.98 × 1,397,875.38 - Step 4: Simplify right side
2,485,814.10x = 4,794,751,665,953.13 - Step 5: Solve for x
x = 4,794,751,665,953.13/2,485,814.10 - Step 6: Final answer
x = 1,928,845.63
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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.