Finding the Fourth Proportional to 5,352,472.11, 7,386,433.70 and 2,905,086.68
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Solution
The fourth proportional to 5,352,472.11, 7,386,433.70 and 2,905,086.68 is: 4,009,031.65
Step by Step Solution
- Step 1: Write the proportion equation
5,352,472.11 : 7,386,433.70 = 2,905,086.68 : x - Step 2: Convert to fraction form
5,352,472.11/7,386,433.70 = 2,905,086.68/x - Step 3: Cross multiply
5,352,472.11x = 7,386,433.70 × 2,905,086.68 - Step 4: Simplify right side
5,352,472.11x = 21,458,230,103,115.51 - Step 5: Solve for x
x = 21,458,230,103,115.51/5,352,472.11 - Step 6: Final answer
x = 4,009,031.65
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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.