Finding the Fourth Proportional to 1,340,501.08, 2,010,734.10 and 329,631.80
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Solution
The fourth proportional to 1,340,501.08, 2,010,734.10 and 329,631.80 is: 494,443.39
Step by Step Solution
- Step 1: Write the proportion equation
1,340,501.08 : 2,010,734.10 = 329,631.80 : x - Step 2: Convert to fraction form
1,340,501.08/2,010,734.10 = 329,631.80/x - Step 3: Cross multiply
1,340,501.08x = 2,010,734.10 × 329,631.80 - Step 4: Simplify right side
1,340,501.08x = 662,801,900,704.38 - Step 5: Solve for x
x = 662,801,900,704.38/1,340,501.08 - Step 6: Final answer
x = 494,443.39
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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.