Finding the Fourth Proportional to 7,768,270, 11,652,405 and 2,449,486
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Solution
The fourth proportional to 7,768,270, 11,652,405 and 2,449,486 is: 3,674,229
Step by Step Solution
- Step 1: Write the proportion equation
7,768,270 : 11,652,405 = 2,449,486 : x - Step 2: Convert to fraction form
7,768,270/11,652,405 = 2,449,486/x - Step 3: Cross multiply
7,768,270x = 11,652,405 × 2,449,486 - Step 4: Simplify right side
7,768,270x = 28,542,402,913,830 - Step 5: Solve for x
x = 28,542,402,913,830/7,768,270 - Step 6: Final answer
x = 3,674,229
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.