Finding the Fourth Proportional to 3,488,675.36, 4,814,375.99 and 1,939,903.78
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Solution
The fourth proportional to 3,488,675.36, 4,814,375.99 and 1,939,903.78 is: 2,677,069.44
Step by Step Solution
- Step 1: Write the proportion equation
3,488,675.36 : 4,814,375.99 = 1,939,903.78 : x - Step 2: Convert to fraction form
3,488,675.36/4,814,375.99 = 1,939,903.78/x - Step 3: Cross multiply
3,488,675.36x = 4,814,375.99 × 1,939,903.78 - Step 4: Simplify right side
3,488,675.36x = 9,339,426,181,342.24 - Step 5: Solve for x
x = 9,339,426,181,342.24/3,488,675.36 - Step 6: Final answer
x = 2,677,069.44
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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.