Finding the Fourth Proportional to 5,355,090.18, 7,388,199.50 and 3,422,465.62
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Solution
The fourth proportional to 5,355,090.18, 7,388,199.50 and 3,422,465.62 is: 4,721,836.22
Step by Step Solution
- Step 1: Write the proportion equation
5,355,090.18 : 7,388,199.50 = 3,422,465.62 : x - Step 2: Convert to fraction form
5,355,090.18/7,388,199.50 = 3,422,465.62/x - Step 3: Cross multiply
5,355,090.18x = 7,388,199.50 × 3,422,465.62 - Step 4: Simplify right side
5,355,090.18x = 25,285,858,746,868.36 - Step 5: Solve for x
x = 25,285,858,746,868.36/5,355,090.18 - Step 6: Final answer
x = 4,721,836.22
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1.5x scale
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.