Finding the Fourth Proportional to 4,986,109.06, 6,881,377.26 and 2,893,412.50
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Solution
The fourth proportional to 4,986,109.06, 6,881,377.26 and 2,893,412.50 is: 3,993,226.53
Step by Step Solution
- Step 1: Write the proportion equation
4,986,109.06 : 6,881,377.26 = 2,893,412.50 : x - Step 2: Convert to fraction form
4,986,109.06/6,881,377.26 = 2,893,412.50/x - Step 3: Cross multiply
4,986,109.06x = 6,881,377.26 × 2,893,412.50 - Step 4: Simplify right side
4,986,109.06x = 19,910,662,981,299.75 - Step 5: Solve for x
x = 19,910,662,981,299.75/4,986,109.06 - Step 6: Final answer
x = 3,993,226.53
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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.