Finding the Fourth Proportional to 5,691,918.15, 7,853,588.37 and 3,487,246.74
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Solution
The fourth proportional to 5,691,918.15, 7,853,588.37 and 3,487,246.74 is: 4,811,629.35
Step by Step Solution
- Step 1: Write the proportion equation
5,691,918.15 : 7,853,588.37 = 3,487,246.74 : x - Step 2: Convert to fraction form
5,691,918.15/7,853,588.37 = 3,487,246.74/x - Step 3: Cross multiply
5,691,918.15x = 7,853,588.37 × 3,487,246.74 - Step 4: Simplify right side
5,691,918.15x = 27,387,400,440,584.41 - Step 5: Solve for x
x = 27,387,400,440,584.41/5,691,918.15 - Step 6: Final answer
x = 4,811,629.35
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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.