Finding the Fourth Proportional to 5,199,207.88, 7,799,521.48 and 2,165,864.21
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Solution
The fourth proportional to 5,199,207.88, 7,799,521.48 and 2,165,864.21 is: 3,249,091.94
Step by Step Solution
- Step 1: Write the proportion equation
5,199,207.88 : 7,799,521.48 = 2,165,864.21 : x - Step 2: Convert to fraction form
5,199,207.88/7,799,521.48 = 2,165,864.21/x - Step 3: Cross multiply
5,199,207.88x = 7,799,521.48 × 2,165,864.21 - Step 4: Simplify right side
5,199,207.88x = 16,892,704,436,495.60 - Step 5: Solve for x
x = 16,892,704,436,495.60/5,199,207.88 - Step 6: Final answer
x = 3,249,091.94
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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.