Finding the Fourth Proportional to 4,240,799.13, 6,360,147.75 and 1,208,191.28
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Solution
The fourth proportional to 4,240,799.13, 6,360,147.75 and 1,208,191.28 is: 1,811,987.50
Step by Step Solution
- Step 1: Write the proportion equation
4,240,799.13 : 6,360,147.75 = 1,208,191.28 : x - Step 2: Convert to fraction form
4,240,799.13/6,360,147.75 = 1,208,191.28/x - Step 3: Cross multiply
4,240,799.13x = 6,360,147.75 × 1,208,191.28 - Step 4: Simplify right side
4,240,799.13x = 7,684,275,019,260.88 - Step 5: Solve for x
x = 7,684,275,019,260.88/4,240,799.13 - Step 6: Final answer
x = 1,811,987.50
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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.