Finding the Fourth Proportional to 5,637,022.18, 8,461,512.58 and 4,992,780.60
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Solution
The fourth proportional to 5,637,022.18, 8,461,512.58 and 4,992,780.60 is: 7,494,466.85
Step by Step Solution
- Step 1: Write the proportion equation
5,637,022.18 : 8,461,512.58 = 4,992,780.60 : x - Step 2: Convert to fraction form
5,637,022.18/8,461,512.58 = 4,992,780.60/x - Step 3: Cross multiply
5,637,022.18x = 8,461,512.58 × 4,992,780.60 - Step 4: Simplify right side
5,637,022.18x = 42,246,475,856,079.95 - Step 5: Solve for x
x = 42,246,475,856,079.95/5,637,022.18 - Step 6: Final answer
x = 7,494,466.85
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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.