Finding the Fourth Proportional to 5,346,801.70, 8,020,202.55 and 3,221,037.70
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Solution
The fourth proportional to 5,346,801.70, 8,020,202.55 and 3,221,037.70 is: 4,831,556.55
Step by Step Solution
- Step 1: Write the proportion equation
5,346,801.70 : 8,020,202.55 = 3,221,037.70 : x - Step 2: Convert to fraction form
5,346,801.70/8,020,202.55 = 3,221,037.70/x - Step 3: Cross multiply
5,346,801.70x = 8,020,202.55 × 3,221,037.70 - Step 4: Simplify right side
5,346,801.70x = 25,833,374,775,186.14 - Step 5: Solve for x
x = 25,833,374,775,186.14/5,346,801.70 - Step 6: Final answer
x = 4,831,556.55
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.