Finding the Fourth Proportional to 5,308,977.92, 7,326,178.50 and 3,134,221.62
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Solution
The fourth proportional to 5,308,977.92, 7,326,178.50 and 3,134,221.62 is: 4,325,101.26
Step by Step Solution
- Step 1: Write the proportion equation
5,308,977.92 : 7,326,178.50 = 3,134,221.62 : x - Step 2: Convert to fraction form
5,308,977.92/7,326,178.50 = 3,134,221.62/x - Step 3: Cross multiply
5,308,977.92x = 7,326,178.50 × 3,134,221.62 - Step 4: Simplify right side
5,308,977.92x = 22,961,867,046,679.17 - Step 5: Solve for x
x = 22,961,867,046,679.17/5,308,977.92 - Step 6: Final answer
x = 4,325,101.26
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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.