Finding the Fourth Proportional to 5,344,977.73, 7,378,931.17 and 4,180,950.85
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Solution
The fourth proportional to 5,344,977.73, 7,378,931.17 and 4,180,950.85 is: 5,771,950.81
Step by Step Solution
- Step 1: Write the proportion equation
5,344,977.73 : 7,378,931.17 = 4,180,950.85 : x - Step 2: Convert to fraction form
5,344,977.73/7,378,931.17 = 4,180,950.85/x - Step 3: Cross multiply
5,344,977.73x = 7,378,931.17 × 4,180,950.85 - Step 4: Simplify right side
5,344,977.73x = 30,850,948,545,152.75 - Step 5: Solve for x
x = 30,850,948,545,152.75/5,344,977.73 - Step 6: Final answer
x = 5,771,950.81
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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.