Finding the Fourth Proportional to 3,155,284.46, 4,732,926.75 and 759,129.09
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Solution
The fourth proportional to 3,155,284.46, 4,732,926.75 and 759,129.09 is: 1,138,693.65
Step by Step Solution
- Step 1: Write the proportion equation
3,155,284.46 : 4,732,926.75 = 759,129.09 : x - Step 2: Convert to fraction form
3,155,284.46/4,732,926.75 = 759,129.09/x - Step 3: Cross multiply
3,155,284.46x = 4,732,926.75 × 759,129.09 - Step 4: Simplify right side
3,155,284.46x = 3,592,902,376,764.16 - Step 5: Solve for x
x = 3,592,902,376,764.16/3,155,284.46 - Step 6: Final answer
x = 1,138,693.65
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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.