Finding the Fourth Proportional to 2,316,716.13, 3,195,172.68 and 1,630,659.09
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Solution
The fourth proportional to 2,316,716.13, 3,195,172.68 and 1,630,659.09 is: 2,248,975.31
Step by Step Solution
- Step 1: Write the proportion equation
2,316,716.13 : 3,195,172.68 = 1,630,659.09 : x - Step 2: Convert to fraction form
2,316,716.13/3,195,172.68 = 1,630,659.09/x - Step 3: Cross multiply
2,316,716.13x = 3,195,172.68 × 1,630,659.09 - Step 4: Simplify right side
2,316,716.13x = 5,210,237,380,628.59 - Step 5: Solve for x
x = 5,210,237,380,628.59/2,316,716.13 - Step 6: Final answer
x = 2,248,975.31
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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.