Finding the Fourth Proportional to 2,751,642.01, 3,791,017.56 and 2,129,307.02
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Solution
The fourth proportional to 2,751,642.01, 3,791,017.56 and 2,129,307.02 is: 2,933,608.46
Step by Step Solution
- Step 1: Write the proportion equation
2,751,642.01 : 3,791,017.56 = 2,129,307.02 : x - Step 2: Convert to fraction form
2,751,642.01/3,791,017.56 = 2,129,307.02/x - Step 3: Cross multiply
2,751,642.01x = 3,791,017.56 × 2,129,307.02 - Step 4: Simplify right side
2,751,642.01x = 8,072,240,290,046.49 - Step 5: Solve for x
x = 8,072,240,290,046.49/2,751,642.01 - Step 6: Final answer
x = 2,933,608.46
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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.