Finding the Fourth Proportional to 2,211,807.20, 3,051,677.13 and 1,426,540.84
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Solution
The fourth proportional to 2,211,807.20, 3,051,677.13 and 1,426,540.84 is: 1,968,228.54
Step by Step Solution
- Step 1: Write the proportion equation
2,211,807.20 : 3,051,677.13 = 1,426,540.84 : x - Step 2: Convert to fraction form
2,211,807.20/3,051,677.13 = 1,426,540.84/x - Step 3: Cross multiply
2,211,807.20x = 3,051,677.13 × 1,426,540.84 - Step 4: Simplify right side
2,211,807.20x = 4,353,342,056,438.99 - Step 5: Solve for x
x = 4,353,342,056,438.99/2,211,807.20 - Step 6: Final answer
x = 1,968,228.54
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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.