Finding the Fourth Proportional to 2,020,177.26, 2,787,903.88 and 1,102,465.67
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Solution
The fourth proportional to 2,020,177.26, 2,787,903.88 and 1,102,465.67 is: 1,521,434.96
Step by Step Solution
- Step 1: Write the proportion equation
2,020,177.26 : 2,787,903.88 = 1,102,465.67 : x - Step 2: Convert to fraction form
2,020,177.26/2,787,903.88 = 1,102,465.67/x - Step 3: Cross multiply
2,020,177.26x = 2,787,903.88 × 1,102,465.67 - Step 4: Simplify right side
2,020,177.26x = 3,073,568,302,264.12 - Step 5: Solve for x
x = 3,073,568,302,264.12/2,020,177.26 - Step 6: Final answer
x = 1,521,434.96
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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.