Finding the Fourth Proportional to 4,239,092.70, 6,359,631.30 and 1,399,202.10
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Solution
The fourth proportional to 4,239,092.70, 6,359,631.30 and 1,399,202.10 is: 2,099,130.66
Step by Step Solution
- Step 1: Write the proportion equation
4,239,092.70 : 6,359,631.30 = 1,399,202.10 : x - Step 2: Convert to fraction form
4,239,092.70/6,359,631.30 = 1,399,202.10/x - Step 3: Cross multiply
4,239,092.70x = 6,359,631.30 × 1,399,202.10 - Step 4: Simplify right side
4,239,092.70x = 8,898,409,470,185.73 - Step 5: Solve for x
x = 8,898,409,470,185.73/4,239,092.70 - Step 6: Final answer
x = 2,099,130.66
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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.