Finding the Fourth Proportional to 5,930,698.28, 8,185,121.58 and 3,317,347.58
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Solution
The fourth proportional to 5,930,698.28, 8,185,121.58 and 3,317,347.58 is: 4,578,363.62
Step by Step Solution
- Step 1: Write the proportion equation
5,930,698.28 : 8,185,121.58 = 3,317,347.58 : x - Step 2: Convert to fraction form
5,930,698.28/8,185,121.58 = 3,317,347.58/x - Step 3: Cross multiply
5,930,698.28x = 8,185,121.58 × 3,317,347.58 - Step 4: Simplify right side
5,930,698.28x = 27,152,893,224,493.17 - Step 5: Solve for x
x = 27,152,893,224,493.17/5,930,698.28 - Step 6: Final answer
x = 4,578,363.62
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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.