Finding the Fourth Proportional to 5,352,394.32, 7,386,311.09 and 2,905,005.11
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Solution
The fourth proportional to 5,352,394.32, 7,386,311.09 and 2,905,005.11 is: 4,008,910.80
Step by Step Solution
- Step 1: Write the proportion equation
5,352,394.32 : 7,386,311.09 = 2,905,005.11 : x - Step 2: Convert to fraction form
5,352,394.32/7,386,311.09 = 2,905,005.11/x - Step 3: Cross multiply
5,352,394.32x = 7,386,311.09 × 2,905,005.11 - Step 4: Simplify right side
5,352,394.32x = 21,457,271,409,043.09 - Step 5: Solve for x
x = 21,457,271,409,043.09/5,352,394.32 - Step 6: Final answer
x = 4,008,910.80
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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.