Finding the Fourth Proportional to 2,686,408.47, 3,707,310.18 and 1,462,781.07
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Solution
The fourth proportional to 2,686,408.47, 3,707,310.18 and 1,462,781.07 is: 2,018,674.08
Step by Step Solution
- Step 1: Write the proportion equation
2,686,408.47 : 3,707,310.18 = 1,462,781.07 : x - Step 2: Convert to fraction form
2,686,408.47/3,707,310.18 = 1,462,781.07/x - Step 3: Cross multiply
2,686,408.47x = 3,707,310.18 × 1,462,781.07 - Step 4: Simplify right side
2,686,408.47x = 5,422,983,151,922.29 - Step 5: Solve for x
x = 5,422,983,151,922.29/2,686,408.47 - Step 6: Final answer
x = 2,018,674.08
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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.