Finding the Fourth Proportional to 4,874,686.59, 6,734,074.57 and 3,893,337.19
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Solution
The fourth proportional to 4,874,686.59, 6,734,074.57 and 3,893,337.19 is: 5,378,401.77
Step by Step Solution
- Step 1: Write the proportion equation
4,874,686.59 : 6,734,074.57 = 3,893,337.19 : x - Step 2: Convert to fraction form
4,874,686.59/6,734,074.57 = 3,893,337.19/x - Step 3: Cross multiply
4,874,686.59x = 6,734,074.57 × 3,893,337.19 - Step 4: Simplify right side
4,874,686.59x = 26,218,022,951,645.74 - Step 5: Solve for x
x = 26,218,022,951,645.74/4,874,686.59 - Step 6: Final answer
x = 5,378,401.77
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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.