Finding the Fourth Proportional to 3,788,447.50, 5,684,913.26 and 1,393,973.65
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Solution
The fourth proportional to 3,788,447.50, 5,684,913.26 and 1,393,973.65 is: 2,091,785.42
Step by Step Solution
- Step 1: Write the proportion equation
3,788,447.50 : 5,684,913.26 = 1,393,973.65 : x - Step 2: Convert to fraction form
3,788,447.50/5,684,913.26 = 1,393,973.65/x - Step 3: Cross multiply
3,788,447.50x = 5,684,913.26 × 1,393,973.65 - Step 4: Simplify right side
3,788,447.50x = 7,924,619,251,581.16 - Step 5: Solve for x
x = 7,924,619,251,581.16/3,788,447.50 - Step 6: Final answer
x = 2,091,785.42
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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.