Finding the Fourth Proportional to 5,291,054.22, 7,303,208.76 and 3,455,793.09
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Solution
The fourth proportional to 5,291,054.22, 7,303,208.76 and 3,455,793.09 is: 4,770,009.40
Step by Step Solution
- Step 1: Write the proportion equation
5,291,054.22 : 7,303,208.76 = 3,455,793.09 : x - Step 2: Convert to fraction form
5,291,054.22/7,303,208.76 = 3,455,793.09/x - Step 3: Cross multiply
5,291,054.22x = 7,303,208.76 × 3,455,793.09 - Step 4: Simplify right side
5,291,054.22x = 25,238,378,367,635.46 - Step 5: Solve for x
x = 25,238,378,367,635.46/5,291,054.22 - Step 6: Final answer
x = 4,770,009.40
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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.