Finding the Fourth Proportional to 4,437,731.36, 6,122,425.56 and 3,278,971.28
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Solution
The fourth proportional to 4,437,731.36, 6,122,425.56 and 3,278,971.28 is: 4,523,765.85
Step by Step Solution
- Step 1: Write the proportion equation
4,437,731.36 : 6,122,425.56 = 3,278,971.28 : x - Step 2: Convert to fraction form
4,437,731.36/6,122,425.56 = 3,278,971.28/x - Step 3: Cross multiply
4,437,731.36x = 6,122,425.56 × 3,278,971.28 - Step 4: Simplify right side
4,437,731.36x = 20,075,257,575,177.91 - Step 5: Solve for x
x = 20,075,257,575,177.91/4,437,731.36 - Step 6: Final answer
x = 4,523,765.85
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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.