Finding the Fourth Proportional to 3,664,690.58, 5,057,408.14 and 2,214,105.76
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Solution
The fourth proportional to 3,664,690.58, 5,057,408.14 and 2,214,105.76 is: 3,055,547.60
Step by Step Solution
- Step 1: Write the proportion equation
3,664,690.58 : 5,057,408.14 = 2,214,105.76 : x - Step 2: Convert to fraction form
3,664,690.58/5,057,408.14 = 2,214,105.76/x - Step 3: Cross multiply
3,664,690.58x = 5,057,408.14 × 2,214,105.76 - Step 4: Simplify right side
3,664,690.58x = 11,197,636,493,444.88 - Step 5: Solve for x
x = 11,197,636,493,444.88/3,664,690.58 - Step 6: Final answer
x = 3,055,547.60
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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.