Finding the Fourth Proportional to 6,326,057.80, 8,729,773.14 and 3,572,858.08
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Solution
The fourth proportional to 6,326,057.80, 8,729,773.14 and 3,572,858.08 is: 4,930,438.75
Step by Step Solution
- Step 1: Write the proportion equation
6,326,057.80 : 8,729,773.14 = 3,572,858.08 : x - Step 2: Convert to fraction form
6,326,057.80/8,729,773.14 = 3,572,858.08/x - Step 3: Cross multiply
6,326,057.80x = 8,729,773.14 × 3,572,858.08 - Step 4: Simplify right side
6,326,057.80x = 31,190,240,499,815.97 - Step 5: Solve for x
x = 31,190,240,499,815.97/6,326,057.80 - Step 6: Final answer
x = 4,930,438.75
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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.