Finding the Fourth Proportional to 2,974,351.92, 4,104,595.60 and 1,685,438
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Solution
The fourth proportional to 2,974,351.92, 4,104,595.60 and 1,685,438 is: 2,325,898.75
Step by Step Solution
- Step 1: Write the proportion equation
2,974,351.92 : 4,104,595.60 = 1,685,438 : x - Step 2: Convert to fraction form
2,974,351.92/4,104,595.60 = 1,685,438/x - Step 3: Cross multiply
2,974,351.92x = 4,104,595.60 × 1,685,438 - Step 4: Simplify right side
2,974,351.92x = 6,918,041,398,872.80 - Step 5: Solve for x
x = 6,918,041,398,872.80/2,974,351.92 - Step 6: Final answer
x = 2,325,898.75
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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.