Finding the Fourth Proportional to 3,798,759.52, 5,242,277.04 and 2,079,866.08
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Solution
The fourth proportional to 3,798,759.52, 5,242,277.04 and 2,079,866.08 is: 2,870,209.11
Step by Step Solution
- Step 1: Write the proportion equation
3,798,759.52 : 5,242,277.04 = 2,079,866.08 : x - Step 2: Convert to fraction form
3,798,759.52/5,242,277.04 = 2,079,866.08/x - Step 3: Cross multiply
3,798,759.52x = 5,242,277.04 × 2,079,866.08 - Step 4: Simplify right side
3,798,759.52x = 10,903,234,197,458.80 - Step 5: Solve for x
x = 10,903,234,197,458.80/3,798,759.52 - Step 6: Final answer
x = 2,870,209.11
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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.