Finding the Fourth Proportional to 5,625,138.30, 8,437,645.92 and 1,365,306.54
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Solution
The fourth proportional to 5,625,138.30, 8,437,645.92 and 1,365,306.54 is: 2,047,944.88
Step by Step Solution
- Step 1: Write the proportion equation
5,625,138.30 : 8,437,645.92 = 1,365,306.54 : x - Step 2: Convert to fraction form
5,625,138.30/8,437,645.92 = 1,365,306.54/x - Step 3: Cross multiply
5,625,138.30x = 8,437,645.92 × 1,365,306.54 - Step 4: Simplify right side
5,625,138.30x = 11,519,973,156,780.32 - Step 5: Solve for x
x = 11,519,973,156,780.32/5,625,138.30 - Step 6: Final answer
x = 2,047,944.88
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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.