Finding the Fourth Proportional to 2,217,926.88, 3,328,756.56 and 2,077,958.88
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Solution
The fourth proportional to 2,217,926.88, 3,328,756.56 and 2,077,958.88 is: 3,118,686.79
Step by Step Solution
- Step 1: Write the proportion equation
2,217,926.88 : 3,328,756.56 = 2,077,958.88 : x - Step 2: Convert to fraction form
2,217,926.88/3,328,756.56 = 2,077,958.88/x - Step 3: Cross multiply
2,217,926.88x = 3,328,756.56 × 2,077,958.88 - Step 4: Simplify right side
2,217,926.88x = 6,917,019,253,210.25 - Step 5: Solve for x
x = 6,917,019,253,210.25/2,217,926.88 - Step 6: Final answer
x = 3,118,686.79
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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.