Finding the Fourth Proportional to 7,390,919.30, 11,088,452.55 and 3,604,525.70
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Solution
The fourth proportional to 7,390,919.30, 11,088,452.55 and 3,604,525.70 is: 5,407,799.84
Step by Step Solution
- Step 1: Write the proportion equation
7,390,919.30 : 11,088,452.55 = 3,604,525.70 : x - Step 2: Convert to fraction form
7,390,919.30/11,088,452.55 = 3,604,525.70/x - Step 3: Cross multiply
7,390,919.30x = 11,088,452.55 × 3,604,525.70 - Step 4: Simplify right side
7,390,919.30x = 39,968,612,189,705.54 - Step 5: Solve for x
x = 39,968,612,189,705.54/7,390,919.30 - Step 6: Final answer
x = 5,407,799.84
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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.