Finding the Fourth Proportional to 2,918,218.04, 3,997,940.05 and 2,809,090.48
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Solution
The fourth proportional to 2,918,218.04, 3,997,940.05 and 2,809,090.48 is: 3,848,435.99
Step by Step Solution
- Step 1: Write the proportion equation
2,918,218.04 : 3,997,940.05 = 2,809,090.48 : x - Step 2: Convert to fraction form
2,918,218.04/3,997,940.05 = 2,809,090.48/x - Step 3: Cross multiply
2,918,218.04x = 3,997,940.05 × 2,809,090.48 - Step 4: Simplify right side
2,918,218.04x = 11,230,575,334,065.72 - Step 5: Solve for x
x = 11,230,575,334,065.72/2,918,218.04 - Step 6: Final answer
x = 3,848,435.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.