Finding the Fourth Proportional to 2,687,893.76, 4,031,881.62 and 982,383.68
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Solution
The fourth proportional to 2,687,893.76, 4,031,881.62 and 982,383.68 is: 1,473,590.50
Step by Step Solution
- Step 1: Write the proportion equation
2,687,893.76 : 4,031,881.62 = 982,383.68 : x - Step 2: Convert to fraction form
2,687,893.76/4,031,881.62 = 982,383.68/x - Step 3: Cross multiply
2,687,893.76x = 4,031,881.62 × 982,383.68 - Step 4: Simplify right side
2,687,893.76x = 3,960,854,709,575.73 - Step 5: Solve for x
x = 3,960,854,709,575.73/2,687,893.76 - Step 6: Final answer
x = 1,473,590.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.