Finding the Fourth Proportional to 3,688,895.06, 5,091,587.94 and 2,513,438.54
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Solution
The fourth proportional to 3,688,895.06, 5,091,587.94 and 2,513,438.54 is: 3,469,167.09
Step by Step Solution
- Step 1: Write the proportion equation
3,688,895.06 : 5,091,587.94 = 2,513,438.54 : x - Step 2: Convert to fraction form
3,688,895.06/5,091,587.94 = 2,513,438.54/x - Step 3: Cross multiply
3,688,895.06x = 5,091,587.94 × 2,513,438.54 - Step 4: Simplify right side
3,688,895.06x = 12,797,393,358,195.21 - Step 5: Solve for x
x = 12,797,393,358,195.21/3,688,895.06 - Step 6: Final answer
x = 3,469,167.09
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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.