Finding the Fourth Proportional to 4,029,559.28, 5,560,828.68 and 2,218,788.08
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Solution
The fourth proportional to 4,029,559.28, 5,560,828.68 and 2,218,788.08 is: 3,061,947.85
Step by Step Solution
- Step 1: Write the proportion equation
4,029,559.28 : 5,560,828.68 = 2,218,788.08 : x - Step 2: Convert to fraction form
4,029,559.28/5,560,828.68 = 2,218,788.08/x - Step 3: Cross multiply
4,029,559.28x = 5,560,828.68 × 2,218,788.08 - Step 4: Simplify right side
4,029,559.28x = 12,338,300,390,106.13 - Step 5: Solve for x
x = 12,338,300,390,106.13/4,029,559.28 - Step 6: Final answer
x = 3,061,947.85
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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.