Finding the Fourth Proportional to 5,464,821.80, 8,197,232.70 and 5,307,357.80
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Solution
The fourth proportional to 5,464,821.80, 8,197,232.70 and 5,307,357.80 is: 7,961,036.70
Step by Step Solution
- Step 1: Write the proportion equation
5,464,821.80 : 8,197,232.70 = 5,307,357.80 : x - Step 2: Convert to fraction form
5,464,821.80/8,197,232.70 = 5,307,357.80/x - Step 3: Cross multiply
5,464,821.80x = 8,197,232.70 × 5,307,357.80 - Step 4: Simplify right side
5,464,821.80x = 43,505,646,908,760.06 - Step 5: Solve for x
x = 43,505,646,908,760.06/5,464,821.80 - Step 6: Final answer
x = 7,961,036.70
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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.