Finding the Fourth Proportional to 2,686,972.68, 3,707,854.26 and 1,479,748.68
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Solution
The fourth proportional to 2,686,972.68, 3,707,854.26 and 1,479,748.68 is: 2,041,960.64
Step by Step Solution
- Step 1: Write the proportion equation
2,686,972.68 : 3,707,854.26 = 1,479,748.68 : x - Step 2: Convert to fraction form
2,686,972.68/3,707,854.26 = 1,479,748.68/x - Step 3: Cross multiply
2,686,972.68x = 3,707,854.26 × 1,479,748.68 - Step 4: Simplify right side
2,686,972.68x = 5,486,692,446,867.38 - Step 5: Solve for x
x = 5,486,692,446,867.38/2,686,972.68 - Step 6: Final answer
x = 2,041,960.64
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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.