Finding the Fourth Proportional to 5,366,480.88, 7,405,909.08 and 2,919,270
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Solution
The fourth proportional to 5,366,480.88, 7,405,909.08 and 2,919,270 is: 4,028,682.61
Step by Step Solution
- Step 1: Write the proportion equation
5,366,480.88 : 7,405,909.08 = 2,919,270 : x - Step 2: Convert to fraction form
5,366,480.88/7,405,909.08 = 2,919,270/x - Step 3: Cross multiply
5,366,480.88x = 7,405,909.08 × 2,919,270 - Step 4: Simplify right side
5,366,480.88x = 21,619,848,199,971.60 - Step 5: Solve for x
x = 21,619,848,199,971.60/5,366,480.88 - Step 6: Final answer
x = 4,028,682.61
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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.