Finding the Fourth Proportional to 4,670,980.66, 6,445,954.41 and 2,633,790.58
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Solution
The fourth proportional to 4,670,980.66, 6,445,954.41 and 2,633,790.58 is: 3,634,631.62
Step by Step Solution
- Step 1: Write the proportion equation
4,670,980.66 : 6,445,954.41 = 2,633,790.58 : x - Step 2: Convert to fraction form
4,670,980.66/6,445,954.41 = 2,633,790.58/x - Step 3: Cross multiply
4,670,980.66x = 6,445,954.41 × 2,633,790.58 - Step 4: Simplify right side
4,670,980.66x = 16,977,294,004,167.46 - Step 5: Solve for x
x = 16,977,294,004,167.46/4,670,980.66 - Step 6: Final answer
x = 3,634,631.62
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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.