Finding the Fourth Proportional to 2,568,937.68, 3,853,947.57 and 971,465.40
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Solution
The fourth proportional to 2,568,937.68, 3,853,947.57 and 971,465.40 is: 1,457,402.70
Step by Step Solution
- Step 1: Write the proportion equation
2,568,937.68 : 3,853,947.57 = 971,465.40 : x - Step 2: Convert to fraction form
2,568,937.68/3,853,947.57 = 971,465.40/x - Step 3: Cross multiply
2,568,937.68x = 3,853,947.57 × 971,465.40 - Step 4: Simplify right side
2,568,937.68x = 3,743,976,717,669.08 - Step 5: Solve for x
x = 3,743,976,717,669.08/2,568,937.68 - Step 6: Final answer
x = 1,457,402.70
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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.