Finding the Fourth Proportional to 2,840,408.68, 3,919,768.36 and 1,616,714.19
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Solution
The fourth proportional to 2,840,408.68, 3,919,768.36 and 1,616,714.19 is: 2,231,068.07
Step by Step Solution
- Step 1: Write the proportion equation
2,840,408.68 : 3,919,768.36 = 1,616,714.19 : x - Step 2: Convert to fraction form
2,840,408.68/3,919,768.36 = 1,616,714.19/x - Step 3: Cross multiply
2,840,408.68x = 3,919,768.36 × 1,616,714.19 - Step 4: Simplify right side
2,840,408.68x = 6,337,145,109,526.19 - Step 5: Solve for x
x = 6,337,145,109,526.19/2,840,408.68 - Step 6: Final answer
x = 2,231,068.07
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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.