Finding the Fourth Proportional to 4,965,113.39, 6,854,913.36 and 3,936,775.05
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Solution
The fourth proportional to 4,965,113.39, 6,854,913.36 and 3,936,775.05 is: 5,435,173.34
Step by Step Solution
- Step 1: Write the proportion equation
4,965,113.39 : 6,854,913.36 = 3,936,775.05 : x - Step 2: Convert to fraction form
4,965,113.39/6,854,913.36 = 3,936,775.05/x - Step 3: Cross multiply
4,965,113.39x = 6,854,913.36 × 3,936,775.05 - Step 4: Simplify right side
4,965,113.39x = 26,986,251,885,559.67 - Step 5: Solve for x
x = 26,986,251,885,559.67/4,965,113.39 - Step 6: Final answer
x = 5,435,173.34
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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.