Finding the Fourth Proportional to 5,338,465.24, 8,020,472.68 and 3,423,128.92
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Solution
The fourth proportional to 5,338,465.24, 8,020,472.68 and 3,423,128.92 is: 5,142,884.85
Step by Step Solution
- Step 1: Write the proportion equation
5,338,465.24 : 8,020,472.68 = 3,423,128.92 : x - Step 2: Convert to fraction form
5,338,465.24/8,020,472.68 = 3,423,128.92/x - Step 3: Cross multiply
5,338,465.24x = 8,020,472.68 × 3,423,128.92 - Step 4: Simplify right side
5,338,465.24x = 27,455,111,982,977.90 - Step 5: Solve for x
x = 27,455,111,982,977.90/5,338,465.24 - Step 6: Final answer
x = 5,142,884.85
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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.