Finding the Fourth Proportional to 4,251,437.78, 6,378,403.55 and 1,372,741.92
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Solution
The fourth proportional to 4,251,437.78, 6,378,403.55 and 1,372,741.92 is: 2,059,515.48
Step by Step Solution
- Step 1: Write the proportion equation
4,251,437.78 : 6,378,403.55 = 1,372,741.92 : x - Step 2: Convert to fraction form
4,251,437.78/6,378,403.55 = 1,372,741.92/x - Step 3: Cross multiply
4,251,437.78x = 6,378,403.55 × 1,372,741.92 - Step 4: Simplify right side
4,251,437.78x = 8,755,901,928,898.11 - Step 5: Solve for x
x = 8,755,901,928,898.11/4,251,437.78 - Step 6: Final answer
x = 2,059,515.48
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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.