Finding the Fourth Proportional to 3,918,898.80, 5,878,567.08 and 1,223,596.08
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Solution
The fourth proportional to 3,918,898.80, 5,878,567.08 and 1,223,596.08 is: 1,835,462.46
Step by Step Solution
- Step 1: Write the proportion equation
3,918,898.80 : 5,878,567.08 = 1,223,596.08 : x - Step 2: Convert to fraction form
3,918,898.80/5,878,567.08 = 1,223,596.08/x - Step 3: Cross multiply
3,918,898.80x = 5,878,567.08 × 1,223,596.08 - Step 4: Simplify right side
3,918,898.80x = 7,192,991,635,105.05 - Step 5: Solve for x
x = 7,192,991,635,105.05/3,918,898.80 - Step 6: Final answer
x = 1,835,462.46
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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.