Finding the Fourth Proportional to 4,751,987.80, 6,557,337.70 and 2,686,902.12
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Solution
The fourth proportional to 4,751,987.80, 6,557,337.70 and 2,686,902.12 is: 3,707,695.67
Step by Step Solution
- Step 1: Write the proportion equation
4,751,987.80 : 6,557,337.70 = 2,686,902.12 : x - Step 2: Convert to fraction form
4,751,987.80/6,557,337.70 = 2,686,902.12/x - Step 3: Cross multiply
4,751,987.80x = 6,557,337.70 × 2,686,902.12 - Step 4: Simplify right side
4,751,987.80x = 17,618,924,567,685.93 - Step 5: Solve for x
x = 17,618,924,567,685.93/4,751,987.80 - Step 6: Final answer
x = 3,707,695.67
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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.