Finding the Fourth Proportional to 6,971,751.76, 9,621,250.80 and 3,874,405.68
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Solution
The fourth proportional to 6,971,751.76, 9,621,250.80 and 3,874,405.68 is: 5,346,809.53
Step by Step Solution
- Step 1: Write the proportion equation
6,971,751.76 : 9,621,250.80 = 3,874,405.68 : x - Step 2: Convert to fraction form
6,971,751.76/9,621,250.80 = 3,874,405.68/x - Step 3: Cross multiply
6,971,751.76x = 9,621,250.80 × 3,874,405.68 - Step 4: Simplify right side
6,971,751.76x = 37,276,628,748,224.55 - Step 5: Solve for x
x = 37,276,628,748,224.55/6,971,751.76 - Step 6: Final answer
x = 5,346,809.53
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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.