Finding the Fourth Proportional to 5,438,928.83, 7,505,725.63 and 2,991,726.06
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Solution
The fourth proportional to 5,438,928.83, 7,505,725.63 and 2,991,726.06 is: 4,128,584.08
Step by Step Solution
- Step 1: Write the proportion equation
5,438,928.83 : 7,505,725.63 = 2,991,726.06 : x - Step 2: Convert to fraction form
5,438,928.83/7,505,725.63 = 2,991,726.06/x - Step 3: Cross multiply
5,438,928.83x = 7,505,725.63 × 2,991,726.06 - Step 4: Simplify right side
5,438,928.83x = 22,455,074,966,480.92 - Step 5: Solve for x
x = 22,455,074,966,480.92/5,438,928.83 - Step 6: Final answer
x = 4,128,584.08
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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.