Finding the Fourth Proportional to 5,318,377.28, 7,338,550.69 and 2,995,148.14
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Solution
The fourth proportional to 5,318,377.28, 7,338,550.69 and 2,995,148.14 is: 4,132,848.29
Step by Step Solution
- Step 1: Write the proportion equation
5,318,377.28 : 7,338,550.69 = 2,995,148.14 : x - Step 2: Convert to fraction form
5,318,377.28/7,338,550.69 = 2,995,148.14/x - Step 3: Cross multiply
5,318,377.28x = 7,338,550.69 × 2,995,148.14 - Step 4: Simplify right side
5,318,377.28x = 21,980,046,449,449.22 - Step 5: Solve for x
x = 21,980,046,449,449.22/5,318,377.28 - Step 6: Final answer
x = 4,132,848.29
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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.