Finding the Fourth Proportional to 2,636,676.36, 3,948,565.05 and 2,381,086.26
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Solution
The fourth proportional to 2,636,676.36, 3,948,565.05 and 2,381,086.26 is: 3,565,805.09
Step by Step Solution
- Step 1: Write the proportion equation
2,636,676.36 : 3,948,565.05 = 2,381,086.26 : x - Step 2: Convert to fraction form
2,636,676.36/3,948,565.05 = 2,381,086.26/x - Step 3: Cross multiply
2,636,676.36x = 3,948,565.05 × 2,381,086.26 - Step 4: Simplify right side
2,636,676.36x = 9,401,873,987,271.21 - Step 5: Solve for x
x = 9,401,873,987,271.21/2,636,676.36 - Step 6: Final answer
x = 3,565,805.09
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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.