Finding the Fourth Proportional to 4,249,701.38, 5,864,416.92 and 2,315,920.70
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Solution
The fourth proportional to 4,249,701.38, 5,864,416.92 and 2,315,920.70 is: 3,195,877.39
Step by Step Solution
- Step 1: Write the proportion equation
4,249,701.38 : 5,864,416.92 = 2,315,920.70 : x - Step 2: Convert to fraction form
4,249,701.38/5,864,416.92 = 2,315,920.70/x - Step 3: Cross multiply
4,249,701.38x = 5,864,416.92 × 2,315,920.70 - Step 4: Simplify right side
4,249,701.38x = 13,581,524,538,458.24 - Step 5: Solve for x
x = 13,581,524,538,458.24/4,249,701.38 - Step 6: Final answer
x = 3,195,877.39
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1.5x scale
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.