Finding the Fourth Proportional to 2,921,502.99, 4,402,195.85 and 2,400,690.81
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Solution
The fourth proportional to 2,921,502.99, 4,402,195.85 and 2,400,690.81 is: 3,617,422.66
Step by Step Solution
- Step 1: Write the proportion equation
2,921,502.99 : 4,402,195.85 = 2,400,690.81 : x - Step 2: Convert to fraction form
2,921,502.99/4,402,195.85 = 2,400,690.81/x - Step 3: Cross multiply
2,921,502.99x = 4,402,195.85 × 2,400,690.81 - Step 4: Simplify right side
2,921,502.99x = 10,568,311,120,915.14 - Step 5: Solve for x
x = 10,568,311,120,915.14/2,921,502.99 - Step 6: Final answer
x = 3,617,422.66
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.