Finding the Fourth Proportional to 3,126,213, 4,314,173.94 and 1,768,056.84
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Solution
The fourth proportional to 3,126,213, 4,314,173.94 and 1,768,056.84 is: 2,439,918.44
Step by Step Solution
- Step 1: Write the proportion equation
3,126,213 : 4,314,173.94 = 1,768,056.84 : x - Step 2: Convert to fraction form
3,126,213/4,314,173.94 = 1,768,056.84/x - Step 3: Cross multiply
3,126,213x = 4,314,173.94 × 1,768,056.84 - Step 4: Simplify right side
3,126,213x = 7,627,704,743,566.75 - Step 5: Solve for x
x = 7,627,704,743,566.75/3,126,213 - Step 6: Final answer
x = 2,439,918.44
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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.