Finding the Fourth Proportional to 2,110,220.02, 2,911,926.27 and 1,192,528.90
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Solution
The fourth proportional to 2,110,220.02, 2,911,926.27 and 1,192,528.90 is: 1,645,589.65
Step by Step Solution
- Step 1: Write the proportion equation
2,110,220.02 : 2,911,926.27 = 1,192,528.90 : x - Step 2: Convert to fraction form
2,110,220.02/2,911,926.27 = 1,192,528.90/x - Step 3: Cross multiply
2,110,220.02x = 2,911,926.27 × 1,192,528.90 - Step 4: Simplify right side
2,110,220.02x = 3,472,556,231,644.20 - Step 5: Solve for x
x = 3,472,556,231,644.20/2,110,220.02 - Step 6: Final answer
x = 1,645,589.65
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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.