Finding the Fourth Proportional to 4,321,314.12, 5,963,533.79 and 2,387,699.31
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Solution
The fourth proportional to 4,321,314.12, 5,963,533.79 and 2,387,699.31 is: 3,295,091.52
Step by Step Solution
- Step 1: Write the proportion equation
4,321,314.12 : 5,963,533.79 = 2,387,699.31 : x - Step 2: Convert to fraction form
4,321,314.12/5,963,533.79 = 2,387,699.31/x - Step 3: Cross multiply
4,321,314.12x = 5,963,533.79 × 2,387,699.31 - Step 4: Simplify right side
4,321,314.12x = 14,239,125,503,606.19 - Step 5: Solve for x
x = 14,239,125,503,606.19/4,321,314.12 - Step 6: Final answer
x = 3,295,091.52
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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.