Finding the Fourth Proportional to 5,358,281.37, 7,394,434.73 and 2,910,894.04
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Solution
The fourth proportional to 5,358,281.37, 7,394,434.73 and 2,910,894.04 is: 4,017,037.27
Step by Step Solution
- Step 1: Write the proportion equation
5,358,281.37 : 7,394,434.73 = 2,910,894.04 : x - Step 2: Convert to fraction form
5,358,281.37/7,394,434.73 = 2,910,894.04/x - Step 3: Cross multiply
5,358,281.37x = 7,394,434.73 × 2,910,894.04 - Step 4: Simplify right side
5,358,281.37x = 21,524,415,984,726.01 - Step 5: Solve for x
x = 21,524,415,984,726.01/5,358,281.37 - Step 6: Final answer
x = 4,017,037.27
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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.