Finding the Fourth Proportional to 1,662,381.96, 2,493,572.94 and 1,283,854.81
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Solution
The fourth proportional to 1,662,381.96, 2,493,572.94 and 1,283,854.81 is: 1,925,782.21
Step by Step Solution
- Step 1: Write the proportion equation
1,662,381.96 : 2,493,572.94 = 1,283,854.81 : x - Step 2: Convert to fraction form
1,662,381.96/2,493,572.94 = 1,283,854.81/x - Step 3: Cross multiply
1,662,381.96x = 2,493,572.94 × 1,283,854.81 - Step 4: Simplify right side
1,662,381.96x = 3,201,385,594,217.70 - Step 5: Solve for x
x = 3,201,385,594,217.70/1,662,381.96 - Step 6: Final answer
x = 1,925,782.21
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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.