Finding the Fourth Proportional to 4,643,034.99, 6,407,401.62 and 2,578,055.01
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Solution
The fourth proportional to 4,643,034.99, 6,407,401.62 and 2,578,055.01 is: 3,557,723.32
Step by Step Solution
- Step 1: Write the proportion equation
4,643,034.99 : 6,407,401.62 = 2,578,055.01 : x - Step 2: Convert to fraction form
4,643,034.99/6,407,401.62 = 2,578,055.01/x - Step 3: Cross multiply
4,643,034.99x = 6,407,401.62 × 2,578,055.01 - Step 4: Simplify right side
4,643,034.99x = 16,518,633,847,523.12 - Step 5: Solve for x
x = 16,518,633,847,523.12/4,643,034.99 - Step 6: Final answer
x = 3,557,723.32
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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.