Finding the Fourth Proportional to 2,195,349.36, 3,029,709.08 and 1,228,471.20
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Solution
The fourth proportional to 2,195,349.36, 3,029,709.08 and 1,228,471.20 is: 1,695,361.30
Step by Step Solution
- Step 1: Write the proportion equation
2,195,349.36 : 3,029,709.08 = 1,228,471.20 : x - Step 2: Convert to fraction form
2,195,349.36/3,029,709.08 = 1,228,471.20/x - Step 3: Cross multiply
2,195,349.36x = 3,029,709.08 × 1,228,471.20 - Step 4: Simplify right side
2,195,349.36x = 3,721,910,349,158.50 - Step 5: Solve for x
x = 3,721,910,349,158.50/2,195,349.36 - Step 6: Final answer
x = 1,695,361.30
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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.