Finding the Fourth Proportional to 7,717,886.40, 11,573,886.90 and 2,598,941.94
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Solution
The fourth proportional to 7,717,886.40, 11,573,886.90 and 2,598,941.94 is: 3,897,421.98
Step by Step Solution
- Step 1: Write the proportion equation
7,717,886.40 : 11,573,886.90 = 2,598,941.94 : x - Step 2: Convert to fraction form
7,717,886.40/11,573,886.90 = 2,598,941.94/x - Step 3: Cross multiply
7,717,886.40x = 11,573,886.90 × 2,598,941.94 - Step 4: Simplify right side
7,717,886.40x = 30,079,860,073,226.59 - Step 5: Solve for x
x = 30,079,860,073,226.59/7,717,886.40 - Step 6: Final answer
x = 3,897,421.98
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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.