Finding the Fourth Proportional to 5,395,090.19, 7,445,137.55 and 2,947,648.68
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Solution
The fourth proportional to 5,395,090.19, 7,445,137.55 and 2,947,648.68 is: 4,067,707.69
Step by Step Solution
- Step 1: Write the proportion equation
5,395,090.19 : 7,445,137.55 = 2,947,648.68 : x - Step 2: Convert to fraction form
5,395,090.19/7,445,137.55 = 2,947,648.68/x - Step 3: Cross multiply
5,395,090.19x = 7,445,137.55 × 2,947,648.68 - Step 4: Simplify right side
5,395,090.19x = 21,945,649,856,937.69 - Step 5: Solve for x
x = 21,945,649,856,937.69/5,395,090.19 - Step 6: Final answer
x = 4,067,707.69
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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.