Finding the Fourth Proportional to 4,163,479.72, 5,743,842.33 and 2,787,266.68
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Solution
The fourth proportional to 4,163,479.72, 5,743,842.33 and 2,787,266.68 is: 3,845,249.99
Step by Step Solution
- Step 1: Write the proportion equation
4,163,479.72 : 5,743,842.33 = 2,787,266.68 : x - Step 2: Convert to fraction form
4,163,479.72/5,743,842.33 = 2,787,266.68/x - Step 3: Cross multiply
4,163,479.72x = 5,743,842.33 × 2,787,266.68 - Step 4: Simplify right side
4,163,479.72x = 16,009,620,341,582.57 - Step 5: Solve for x
x = 16,009,620,341,582.57/4,163,479.72 - Step 6: Final answer
x = 3,845,249.99
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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.