Finding the Fourth Proportional to 3,201,465.67, 4,418,035.84 and 1,731,374.18
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Solution
The fourth proportional to 3,201,465.67, 4,418,035.84 and 1,731,374.18 is: 2,389,303.52
Step by Step Solution
- Step 1: Write the proportion equation
3,201,465.67 : 4,418,035.84 = 1,731,374.18 : x - Step 2: Convert to fraction form
3,201,465.67/4,418,035.84 = 1,731,374.18/x - Step 3: Cross multiply
3,201,465.67x = 4,418,035.84 × 1,731,374.18 - Step 4: Simplify right side
3,201,465.67x = 7,649,273,178,123.45 - Step 5: Solve for x
x = 7,649,273,178,123.45/3,201,465.67 - Step 6: Final answer
x = 2,389,303.52
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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.