Finding the Fourth Proportional to 4,815,983.64, 7,223,206.47 and 1,403,472.03
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Solution
The fourth proportional to 4,815,983.64, 7,223,206.47 and 1,403,472.03 is: 2,104,983.95
Step by Step Solution
- Step 1: Write the proportion equation
4,815,983.64 : 7,223,206.47 = 1,403,472.03 : x - Step 2: Convert to fraction form
4,815,983.64/7,223,206.47 = 1,403,472.03/x - Step 3: Cross multiply
4,815,983.64x = 7,223,206.47 × 1,403,472.03 - Step 4: Simplify right side
4,815,983.64x = 10,137,568,247,560.03 - Step 5: Solve for x
x = 10,137,568,247,560.03/4,815,983.64 - Step 6: Final answer
x = 2,104,983.95
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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.