Finding the Fourth Proportional to 5,239,925.46, 7,231,023.06 and 2,948,080.68
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Solution
The fourth proportional to 5,239,925.46, 7,231,023.06 and 2,948,080.68 is: 4,068,309.66
Step by Step Solution
- Step 1: Write the proportion equation
5,239,925.46 : 7,231,023.06 = 2,948,080.68 : x - Step 2: Convert to fraction form
5,239,925.46/7,231,023.06 = 2,948,080.68/x - Step 3: Cross multiply
5,239,925.46x = 7,231,023.06 × 2,948,080.68 - Step 4: Simplify right side
5,239,925.46x = 21,317,639,328,924.96 - Step 5: Solve for x
x = 21,317,639,328,924.96/5,239,925.46 - Step 6: Final answer
x = 4,068,309.66
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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.