Finding the Fourth Proportional to 4,192,955.14, 6,289,249.75 and 1,314,256.28
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Solution
The fourth proportional to 4,192,955.14, 6,289,249.75 and 1,314,256.28 is: 1,971,327.07
Step by Step Solution
- Step 1: Write the proportion equation
4,192,955.14 : 6,289,249.75 = 1,314,256.28 : x - Step 2: Convert to fraction form
4,192,955.14/6,289,249.75 = 1,314,256.28/x - Step 3: Cross multiply
4,192,955.14x = 6,289,249.75 × 1,314,256.28 - Step 4: Simplify right side
4,192,955.14x = 8,265,685,980,425.93 - Step 5: Solve for x
x = 8,265,685,980,425.93/4,192,955.14 - Step 6: Final answer
x = 1,971,327.07
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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.